Density without Equity? Rethinking Urban Agglomeration, Inclusiveness, and Spatial Justice in India

Abstract

Density-driven urbanisation and urban agglomeration have re-emerged as predominant policy prescriptions in both emerging and advanced economies, largely justified by expected gains in sustainability, efficiency, and productivity. This renewed emphasis on compact cities and metropolitan concentration in India has acquired significance amid rapid urban transition and ambitious urban reform agendas. However, the growing privileging of efficiency-oriented agglomeration strategies has also intensified apprehensions about socio-spatial exclusion, uneven development, and highly asymmetric distributional outcomes. This study engages with these issues by providing a theoretical interrogation of urban agglomeration in India through the combined lenses of spatial justice and inclusiveness. Based on a conceptual synthesis of spatial justice theory, urban economics, and political economy, the study critically evaluates the assumptions underpinning density-led urban policies and their implications for access to urban resources, opportunities, and rights. It argues that, in the Indian context, agglomeration economies are often accompanied by spatial marginalisation, structural informality, housing precarity, and displacement pressures, producing what may be viewed as “density without equity”. By reframing agglomeration beyond narrow efficiency metrics, the study advances an alternative conceptual perspective that foregrounds equity, recognition, and democratic urban governance. Through this, it contributes to contemporary discourses by repositioning urban density as a socially embedded process and by outlining mechanisms towards more equitable and inclusive urban futures in India and the Global South.

Keywords

Distributional Equity, Housing Affordability, Inclusive Cities, India, Informality, Spatial Justice, Urban Agglomeration

Introduction

Introduction: Density-Led Urbanism and the Question of Equity

Over the last few decades, agglomeration economies and density-led urbanism have consolidated their position as dominant paradigms in urban planning and policy across both emerging and advanced economies. Based on intellectual legitimacy from urban economics and New Economic Geography, dense urban formations are widely depicted as engines of innovation, productivity, and economic growth (Fujita et al., 1999; Glaeser, 2011). Agglomeration economies - perceived as the productivity gains arising from the spatial concentration of infrastructure, economic activities, and people - have become central to how cities are conceived, planned, and governed (Rodríguez-pose, 2020). Policymakers increasingly associate transit-oriented development, compact cities, and metropolitan clustering with efficiency gains generated through knowledge spillovers, scale economies, and labour market pooling (Durantan & Pug, 2004). This worldwide change towards density-driven development is visible across diverse contexts - ranging from smart growth strategies in North America to compact city initiatives in Europe and densification policies in rapidly urbanising parts of Asia. In these policy narratives, density is no longer considered merely as an outcome of urban growth but as a deliberate planning objective embedded in strategies for sustainability, competitiveness, and global integration. The presumed benefits of spatial concentration are repeatedly invoked to justify planning interventions that privilege infrastructure-led redevelopment, densification, and mixed-use development, often with limited attention to their distributional and social implications. India’s accelerated urban transition provides a particularly salient context in which to examine these claims (Seto et al., 2011). Deeper integration into national and global production networks, rapid demographic change, and expanding urban labour markets have contributed to the growing concentration of economic activity in large metropolitan regions (Shaw, 2012; Ahluwalia et al., 2014). With India’s urban population projected to reach 814 million by 2050, metropolitan concentration is expected to intensify further (Kookana et al., 2020). National and sub-national urban policies increasingly privilege megacities and metropolitan regions through compact city narratives, large-scale infrastructure investments, and transit-oriented development. Initiatives such as the Smart Cities Mission, launched in 2015, explicitly embrace technological integration and density as mechanisms to improve quality of life, governance, and infrastructure efficiency. While these strategies are expected to improve productivity and global competitiveness, they have also unfolded pronounced intra-urban inequalities, persistent urban poverty, widespread informality, and acute housing shortages (Kundu, 2009; Bhan, 2012). This metropolitan growth in India has been accompanied by the proliferation and peripheralization of informal settlements, housing unaffordability, and the displacement of low-income communities (Boanada-fuchs & Kuffer, 2024). As a result, India’s urbanisation trajectory shows a striking paradox in which economic expansion and density coexist with entrenched socio-spatial deprivation. This paradox foregrounds the key issue/question animating this study, viz., can density-driven urban growth be socially inclusive? Agglomeration theory is explicit in its focus on productivity and efficiency. However, it remains comparatively silent on how the gains from density are distributed across urban spaces and social groups. The dominant assumption that agglomeration benefits will naturally “trickle down” to all urban residents obscures the deeply uneven ways in which different social groups benefit, experience, and access dense urban environments (Yusuf, 2024). Empirically, high-density cities often generate sharp disparities in access to secure public space, employment, housing, and basic services, particularly for informal and low-income populations (UN-Habitat, 2020). The existing literature on Indian urbanisation provides rich empirical insights into spatial segregation, informality, and governance deficits (Kundu, 2011; Bhan et al., 2018). However, agglomeration is often considered as a background condition instead of as a central analytical problem shaping these outcomes. On the contrary, mainstream agglomeration theory, largely developed in the context of Global North economies, tends to abstract from issues of distributive justice, power, and inequality (Storper, 2013). Consequently, there remains limited theoretical engagement that explicitly connects density-led urbanisation with questions of spatial justice and inclusiveness in the Indian context. This study seeks to address this research gap through a theoretically grounded interrogation of urban agglomeration in India. Instead of providing an empirical evaluation of specific cities or policies, it adopts a conceptual approach that synthesises insights from urban economics, political economy, and normative theories of spatial justice. The study advances three interconnected contributions:

1. It critically examines the assumptions and conceptual limitations underpinning agglomeration theory and its translation into urban policy,
2. It brings spatial justice into dialogue with agglomeration economics, highlighting how justice-oriented frameworks illuminate the distributional deficits of density-driven urbanism, and
3. It develops a conceptual framework for inclusive agglomeration that foregrounds equity-sensitive planning, recognition of informality, and democratic urban governance.

The key argument advanced is that agglomeration in the Indian context frequently produces “density without equity,” wherein efficiency gains are systematically mediated by existing institutional, social, and economic hierarchies.

The study proceeds as follows: Section 2 revisits core strands of agglomeration theory and their policy translations, identifying key conceptual limitations; Section 3 explores distributional outcomes and inclusiveness in urban contexts; Section 4 introduces spatial justice as an analytical lens for reinterpreting density; Section 5 positions these debates within India’s urban growth trajectory; Section 6 proposes an inclusive agglomeration framework; and Section 7 concludes by synthesising key arguments and outlining directions for future research.

2. Urban Agglomeration Theory: Efficiency, Growth, and Their Limitations

Urban agglomeration theory is one of the influential analytical frameworks for explaining regional economic performance, urban growth, and spatial concentration. Its significant contribution lies in exemplifying how the spatial clustering of economic activities produces productivity advantages and efficiency gains. Concurrently, when assessed from a distributional and normative perspective, agglomeration theory reveals important conceptual limitations. Against this context, this section examines the classical and contemporary foundations of agglomeration theory, explores its translation into policy doctrine, and emphasises its shortcomings with respect to equity, power, and informality.

2.1 Classical and New Economic Geography Perspectives

The intellectual foundations of agglomeration theory can be traced to classical urban economics, and more specifically to Alfred Marshall’s seminal analysis of external economies arising from industrial localisation. Marshall identified three mechanisms through which spatial concentration improves productivity, viz., (i) pooled labour markets, (ii) specialised supplier networks, and (iii) knowledge spillovers facilitated by proximity and firms benefit from co-location. These Marshallian externalities explain why economic activities tend to cluster geographically and why firms benefit from co-location. Subsequent scholarship refined these insights by differentiating between localisation economies, associated with industry-specific clustering, and urbanisation economies, linked to city scale, size, and diversity (Jacobs, 1969). These classical insights were later formalised by New Economic Geography (NEG), which provided a rigorous theoretical apparatus to explain spatial concentration. NEG integrates increasing returns to scale, transport costs, and factor mobility into general equilibrium models, illustrating how core–periphery patterns evolve through cumulative causation (Krugman, 1991; Fujita et al., 1999). Initial benefits in market size or accessibility attract workers and firms, expanding local demand and reinforcing concentration in self-reinforcing cycles. Density, within this framework, is both a driver and an outcome of economic growth, while spatial inequality is frequently interpreted as an efficiency-consistent equilibrium. Empirical studies have provided substantial validation of agglomeration effects across diverse contexts. They document productivity premiums associated with urban density, with evidence suggesting that doubling city size can raise productivity by several percentage points in developed economies. Even research on Indian urbanisation establishes the presence of agglomeration economies in developing country contexts (Seto et al., 2011). Concentrated economic activity in Indian metropolitan regions has generated measurable efficiency gains, although the magnitude and distribution of these benefits differ considerably across regions and urban scales. Notably, these gains do not translate uniformly across spatial zones or social groups within cities. Notwithstanding their analytical rigour, classical and NEG approaches conceptualise space in largely abstract and depoliticised terms. Factors of production are assumed to be mobile and responsive to price signals, with limited attention to institutional constraints, social stratification, or unequal access to urban resources. Consequently, while these frameworks effectively explain why agglomeration occurs, they offer limited insight into how its benefits and costs are distributed within cities.

2.2 Agglomeration as Policy Doctrine

Over the years, agglomeration theory has been translated into a powerful policy doctrine driving urban governance across the globe. Growth pole approaches, compact city strategies, and metropolitan consolidation are increasingly promoted as engines of economic transformation and sustainability (OECD, 2015). Density-driven urbanism is justified not only on productivity grounds but also through narratives highlighting environmental sustainability, efficient land use, and infrastructure provision (Glaeser, 2011). Accordingly, high-density, mixed-use development and transit-oriented growth have become key elements of contemporary urban policy. This agglomeration-centric orientation in India is reflected in policy initiatives that prioritise metropolitan development, infrastructure corridors connecting major cities, and area-based interventions aimed at intensifying urban density. Planning frameworks increasingly assume that spatial concentration will naturally translate into enhanced quality of life, inclusive growth, and improved governance. However, this translation from theory to policy embeds many implicit assumptions that warrant critical scrutiny:

1. Agglomeration policies frequently presume spatial neutrality, assuming that density benefits accrue irrespective of who occupies urban space and under what conditions. This overlooks how political power, income, and tenure status shape access to agglomeration benefits;
2. Trickle-down assumptions posit that aggregate productivity gains will eventually benefit all urban residents through income growth and employment generation. However, research studies increasingly challenge this assumption, especially in contexts characterised by labour market segmentation and high informality; and
3. Agglomeration-oriented planning tends to privilege efficiency metrics, considering social equity as a secondary concern or as an externality to be managed through compensatory interventions (Uitermark, 2012).

These assumptions are particularly problematic in contexts characterised by structural inequality and informality. Agglomeration policies often privilege capital-intensive sectors and formal economic activities. On the other hand, they overlook the differentiated capacities of urban residents to participate in, and benefit from, dense urban economies. Consequently, policy-driven densification can intensify exclusion instead of promoting inclusion.

2.3 Conceptual Limitations

A major limitation of dominant agglomeration frameworks is their neglect of political economy dynamics, power relations, and institutional structures. Governance arrangements, land markets, and property regimes critically shape who captures the gains from density and who bears its costs, yet these factors remain peripheral in mainstream models (Harvey, 2008). Exclusionary planning, rising land values, and speculative practices frequently translate efficiency gains into spatial exclusion, especially for marginalised and low-income groups. “Informality” denotes another important conceptual blind spot. Informal labour and informal settlements in much of the Global South are not transitional anomalies but structural features of urbanisation (Roy, 2009). Informal settlements in Indian cities accommodate large proportions of urban populations and account for essential components of metropolitan economies (Boanada-fuchs & Kuffer, 2024). However, standard agglomeration models assume secure property rights, formal employment, and regulated land markets, hindering their applicability to contexts where informality is persistent and pervasive. More importantly, agglomeration theory is characterised by an unresolved equity-efficiency framing. Spatial inequality is frequently normalised as an inevitable by-product of growth, reinforcing the view that equity considerations necessarily compromise efficiency (Storper, 2013). This framing presents a false dichotomy. Inequitable distributions of urban resources and opportunities can themselves restrain long-term productivity by undermining human capital development and economic participation. When large segments of the urban population are excluded from secure livelihoods, quality housing, education, and healthcare, the foundations of sustainable agglomeration are weakened. These conceptual shortcomings highlight the need to supplement efficiency-centred agglomeration models with perspectives attentive to justice, distribution, and power. Reconceptualising equity not as a trade-off but as an enabling condition for sustainable agglomeration denotes a crucial theoretical reorientation. This imperative motivates the subsequent sections of the paper, which evaluate spatial justice, inclusiveness, and distributional outcomes as integral dimensions of density-led urban development.

3. Inclusiveness and Distributional Outcomes in Urban Contexts

Notably, the growing prominence of urban agglomeration in development and policy discourse has renewed focus on the question of inclusiveness in cities. While density-driven growth is often justified in terms of sustainability, aggregate efficiency, and productivity, its impacts for distributive justice and social inclusion remain deeply contested. Understanding inclusiveness is necessary for moving beyond growth-centric indicators to examine how the burdens and benefits of urbanisation are allocated across urban spaces and social groups. Against this context, this section develops a conceptual discussion of inclusiveness and distributional outcomes in dense urban contexts, with special reference to the structural role of informality, labour markets, housing and land, and access to services.

3.1 Conceptualising Inclusiveness in Urban Development

Inclusiveness in urban development is a multidimensional concept around recognition, access, participation, and opportunity. At its core, urban inclusiveness concerns access to livelihood opportunities, adequate housing, essential services, public amenities, political voice, and the social and cultural life of the city (UN-Habitat, 2016). Mere physical proximity to urban opportunities does not represent genuine inclusion if structural barriers prevent specific groups from accessing those opportunities. Therefore, inclusive cities are those in which residents, irrespective of migration status, tenure, income, caste, gender, or religion, can meaningfully participate in, and benefit from, urban life. An important distinction must be drawn between social inclusion and growth inclusion. “Social inclusion” comprises broader dimensions of well-being, including recognition, security of tenure, access to public goods, and dignity, and the ability to participate in decision-making processes that shape urban development (Sen, 1999; Fraser, 2012). “Growth inclusion” represents the extent to which economic expansion incorporates individuals and groups through income growth and employment generation. Agglomeration-led growth may generate jobs without ensuring equitable access to urban amenities, secure livelihoods, or adequate living conditions. Therefore, conflating growth inclusion with social inclusion risks overstating the inclusiveness of dense urban economies. It (i.e., inclusiveness) is also inherently spatial. Access to opportunities is mediated by location, mobility, and the spatial distribution of infrastructure and services. Dense urban cores may provide proximity to markets and employment, yet rising housing and land costs frequently displace low-income populations to peripheral or informal settlements, weakening the very advantages that density is presumed to confer (Soja, 2010). Therefore, inclusiveness cannot be assessed solely at the level of aggregate urban growth; it must be assessed through the spatial and social distribution of urban risks and benefits. Inclusiveness, normatively, depends on the principle that all urban residents possess equal entitlement to the city and its resources. This rights-based concept challenges utilitarian approaches that tolerate exclusion if aggregate welfare increases. It foregrounds questions of whose claims to urban space are recognised, whose needs are prioritised in planning decisions, and how urban development processes expand or constrain the capabilities of different sections to lead lives they have reason to value.

3.2 Distributional Channels of Agglomeration

Agglomeration processes shape distributional outcomes through multiple, interrelated channels, most importantly access to urban services and amenities, labour markets, and housing and land markets. In labour markets, dense urban environments can produce a greater diversity of employment opportunities, facilitate learning and skill acquisition, and enhance job matching (Durantan & Pug, 2004). These benefits, however, are distributed highly unevenly. High-skill and capital-intensive sectors tend to capture disproportionate gains from agglomeration, while low-skill workers are often confined to insecure, low-wage employment with limited prospects for upward mobility (Autor, 2019). In the Indian scenario, labour market outcomes are further shaped by widespread informality and credentialism. Large segments of the urban workforce participate in informal employment characterised by limited access to skill development pathways, precarity, low wages, and absence of social protection (Ray, 2024). Although cities may offer more livelihood opportunities than rural areas, the security and quality of available employment vary sharply based on social networks, education, caste, and other dimensions of social positioning. Thus, agglomeration expands opportunities for some, while reproducing vulnerability for others. Housing and land markets represent a second critical distributional channel. Agglomeration-induced productivity gains are frequently capitalised into rising property and land values, leading to increasing housing costs in dense urban areas (Harvey, 2008). This dynamic distributes losses and gains asymmetrically. Landlords and property owners benefit from appreciation; while aspiring homeowners and renters face declining affordability and heightened insecurity. Studies on Indian cities establish that significant proportions of households are unable to afford adequate housing while maintaining minimum living standards, forcing trade-offs between shelter and other basic needs. Furthermore, access to urban amenities and services drives distributional outcomes. Dense cities frequently benefit from economies of scale in infrastructure and service provision, theoretically enabling efficient delivery of education, transport, water, sanitation, and healthcare. However, access, in practice, remains highly uneven, structured by political voice, income, and tenure status (UN-Habitat, 2020). High-quality amenities tend to concentrate in already privileged areas, while peripheral and informal settlements receive minimal public investment (Bettencourt & Marchio, 2025). These patterns show a disconnect between equitable access and spatial concentration. Land values denote an important consequential distributional dimension of agglomeration. As density increases, land values typically rise sharply in well-connected and centrally located areas. Although this appreciation generates substantial wealth for landowners, it simultaneously displaces populations unable to afford rising rents. In the case of Indian cities, opaque development processes, speculative land practices, and contested tenure arrangements further complicate the political economy of land, frequently undermining the redistributive intent of affordable housing and urban renewal programs.

3.3 Informality and Precarity

Informality occupies a key yet under-theorised position in discussions of agglomeration and inclusiveness, especially in the Global South. Informal settlements and Informal labour are frequently portrayed as transitional or residual phenomena expected to decline with economic growth and formalisation. However, a growing body of literature recognises informality as a structural feature of urban agglomeration, deeply intertwined with formal economic processes (Roy, 2009; Chen, 2012). Worldwide, an estimated one billion people reside in informal settlements, with Indian cities accommodating vast informal populations across diverse settlement typologies. In dense urban economies, informal labour provides risk absorption, flexibility, and cost reduction for households and firms. Although informal workers sustain agglomeration by supplying essential services at low cost, they remain excluded from stable incomes, labour protections, and social security (Bhan, 2012). Similarly, informal settlements accommodate the urban poor in proximity to employment centres, enabling cities to function while externalising the costs of inadequate infrastructure, housing, and environmental risk onto vulnerable populations. These dynamics cause profound distributional asymmetries within agglomerated cities. Informal settlements and luxury developments often coexist in close spatial proximity, demonstrating how density-driven development prioritises global capital and high-end real estate while marginalising the housing needs of working-class populations. Informal labour markets intersect with housing informality, as irregular incomes make formal housing inaccessible. Because formal employment needs stable addresses that informal residents cannot provide. This mutually reinforcing relationship results in structural precarity that agglomeration processes often exacerbate as displacement pressures intensify and land values rise. Notably, informality should neither be romanticised nor treated as a planning failure alone. While informal settlements exhibit community self-organisation and resilience, residents face daily struggles with health risks from poor sanitation, and inadequate shelter (Kookana et al., 2020), exclusion from basic services, and vulnerability to eviction. Recognising informality as integral to urban agglomeration accentuates the need to incorporate questions of rights, vulnerability, and security into analysis of density. Without such an expansion, agglomeration theory risks normalising precarity and exclusion as acceptable trade-offs for growth and efficiency. Collectively, these perspectives illustrate that inclusiveness in dense urban contexts cannot be presumed. Agglomeration shapes distributional outcomes through service, labour, and land channels that systematically advantage some groups while marginalising others. Precarity and informality are not anomalies but key to the functioning of agglomerated cities, and this is more so in the case of developing economies. Therefore, a meaningful engagement with inclusiveness demands rethinking agglomeration not only as an economic process but as a politically mediated and socially embedded one.

4. Spatial Justice as an Analytical Lens

The limitations of efficiency-centred agglomeration theory highlight the need for an analytical framework capable of addressing power, distribution, and normative concerns in urban development. Spatial justice provides such a lens by explicitly linking questions of dignity, fairness, and equity to the spatial organisation of social and economic life. Instead of treating space as a neutral container of economic activity, spatial justice foregrounds how spatial arrangements are produced, experienced, and contested, and how these arrangements shape access to rights, resources, and opportunities. Against this context, this section outlines the theoretical foundations of spatial justice, illustrates its relevance for reinterpreting urban agglomeration, and examines its implications for urban theory.

4.1 Theoretical Foundations of Spatial Justice

“Spatial justice” represents fairness in the spatial distribution of socially valued resources, burdens, and opportunities, as well as fairness in the processes through which spatial arrangements are decided and maintained (Soja, 2010). It is concerned not only with outcomes (such as who lives where and with what level of access) but also with the political and institutional processes that shape these outcomes. At its core, spatial justice challenges the assumption that spatial inequalities are value-neutral, natural, or efficiency-consistent, instead framing them as products of political, social, and economic choices. The normative foundations of spatial justice draw on multiple intellectual traditions, particularly those emphasising rights, recognition, and redistribution. From a rights-based perspective, spatial justice entails the right of all urban residents to access public space, housing, infrastructure, public services, and the social life of the city, irrespective of legal status or market position (Harvey, 2008). The concept of the “right to the city” encapsulates this claim by asserting collective rights over urban space against exclusionary state practices and market forces. “Recognition” is the second normative dimension of spatial justice. Spatial arrangements often reflect and reinforce social hierarchies based on migratory, class, caste, gender, ethnicity, or religion status. Injustices arise not only from unequal material distribution but also from the invisibilisation, marginalisation, and stigmatisation of particular groups within urban space (Fraser, 2012). Marginalised workplaces, informal settlements, and peripheral neighbourhoods are frequently excluded from formal planning processes, resulting in spatial patterns that deny recognition and dignity to their residents. “Redistribution” forms the third pillar of spatial justice. Unequal access to public services, land, infrastructure, and environmental amenities indicates underlying disparities in political and economic power. Therefore, spatial justice calls for attention to how public resources and investments are allocated across regions and neighbourhoods, and how these decisions may exacerbate or mitigate inequality (Uiternmark, 2012). From this perspective, spatial inequality is not merely a technical planning issue but a fundamentally normative concern linked to broader questions of social justice. Collectively, these dimensions position spatial justice as an integrative framework that embeds ethical considerations within spatial analysis. It shifts focus away from aggregate outcomes towards differentiated lived experiences of urban space, making it particularly relevant for interrogating density-driven urbanisation in unequal contexts.

4.2 Reinterpreting Agglomeration through Spatial Justice

Applying a spatial justice lens fundamentally changes how urban agglomeration is understood and evaluated. Traditional agglomeration theory prioritises density as a source of growth, efficiency, and productivity. By contrast, spatial justice asks whether dense urban environments enable secure and dignified lives for all residents. This reframing can be captured through the contrast between dignity and density. While “density” refers to the concentration of people, infrastructure, and activities, “dignity” concerns the quality of life, recognition, security, and agency experienced within dense urban spaces. Agglomerated cities usually concentrate opportunity, wealth, and infrastructure, but they also concentrate exclusion, deprivation, and environmental risk. Informal settlements located near employment centres demonstrate this contradiction. Proximity enables economic participation, yet exposure to environmental hazards, inadequate housing, and insecure tenure undermine dignity and well-being (Bhan, 2012). Thus, a spatial justice perspective shows that density alone is not a sufficient criterion for evaluating urban success; the conditions under which density is produced and experienced are equally important. Spatial justice also focuses on urban space as a contested social and economic resource instead of a neutral backdrop for market activity. Access to well-serviced and well-located urban land profoundly shapes life chances by influencing access to education and healthcare, livelihood opportunities, mobility costs, and exposure to environmental hazards (Chetty et al., 2016). Agglomeration intensifies these contests by incentivising redevelopment, increasing demand for central urban land, and driving up land values. Without protective regulation or redistributive mechanisms, these processes tend to privilege capital and property owners while marginalising or displacing low-income populations (Harvey, 2008). It is important to distinguish between spatial injustice and spatial inequality. Notably, not all spatial inequalities necessarily constitute injustices, as some degree of spatial differentiation may reflect functional, historical, or cultural factors. Spatial injustice arises when inequalities are produced through processes that systematically disadvantage particular social groups, violate principles of fairness, or deny fundamental rights. In Indian cities, the concentration of high-quality environmental amenities, infrastructure, and public services in elite neighbourhoods while informal settlements lack basic sanitation and water represents a clear case of spatial injustice (Bettencourt & Marchio, 2025), as these patterns both reflect and reinforce entrenched social hierarchies. Furthermore, environmental justice illustrates the relevance of spatial justice for understanding agglomeration. Environmentally hazardous activities, polluting industries, and waste disposal sites are disproportionately located in marginalised or low-income neighbourhoods, while affluent areas enjoy superior environmental quality. These patterns contradict claims that agglomeration is neutral or beneficial for all urban residents, demonstrating instead how spatial arrangements systematically allocate benefits and risks along lines of power and privilege.

4.3 Implications for Urban Theory

Integrating spatial justice into the analysis of urban agglomeration carries significant implications for urban theory:

1. It requires moving beyond efficiency-centric models that treat distributional outcomes as secondary considerations or externalities (Rodríguez-pose, 2020). While efficiency remains important, equity must be theorised as constitutive of sustainable urban development instead of as a constraint on growth. This reorientation challenges the assumption that productivity and justice necessarily stand in dilemma.
2. A spatial justice perspective calls for greater attention to governance, power, and institutions in spatial economic reasoning. Political coalitions, land markets, and planning regimes drive agglomeration outcomes in ways that standard models often overlook (Storper, 2013). Incorporating these factors ensures a more realistic and normatively informed understanding of urban density, especially in contexts characterised by historically embedded inequalities, informality, and weak regulatory capacity.
3. Spatial justice encourages a rethinking of how urban failure and success are defined. Instead of privileging indicators such as global competitiveness, productivity, or investment inflows, a justice-oriented approach foregrounds criterion related to quality of life, equity, access, environmental quality, and political participation. Although these dimensions are often mutually reinforcing, they remain marginal in dominant agglomeration models.
4. Integrating justice into spatial economic reasoning opens space for alternative imaginaries of urban development. It advocates that agglomeration need not be inherently exclusionary but must be actively governed through recognition, redistribution, and democratic control over urban space. This demand moving beyond deterministic accounts of market-driven concentration towards frameworks that acknowledge the possibility of affirmative intervention and historical injustices.

In conclusion, spatial justice provides a critical analytical lens for reassessing urban agglomeration. It exposes the normative assumptions embedded in density-led urbanism and foregrounds the distributive and ethical dimensions of spatial concentration. By reframing agglomeration in terms of redistribution, rights, and recognition, spatial justice enables a more comprehensive understanding of the relationship between equity and density.

5. Urban Agglomeration and Spatial Inequality in India: An Analysis

India’s urban transition provides a critical terrain for examining how agglomeration interacts with distributive justice and spatial inequality. While cities have emerged as central drivers of structural transformation, economic growth, and innovation, the benefits of this growth have been unevenly distributed across social groups, regions, and cities. Agglomeration-led urbanisation in India has produced complex distributional outcomes, intensified metropolitan concentration, and reshaped spatial hierarchies that challenge the assumption that density is inherently inclusive. Against this context, this section conceptually evaluates India’s urban growth trajectory, the distributional dilemmas embedded in density-driven policies, and the paradoxical coexistence of deprivation and growth.

5.1 India’s Urban Growth Trajectory

India’s urban growth trajectory has been characterised by regional imbalance and pronounced metropolitan primacy. Since the economic liberalisation of the early 1990s, a relatively small number of large metropolitan regions have come to dominate national economic activity, capturing disproportionate shares of institutional capacity, investment, skilled labour, and infrastructure spending (Shaw, 2012; Ahluwalia et al., 2014). Tier-I cities such as Bengaluru, Delhi, Hyderabad, and Mumbai function as nodal points within national and global production networks, reinforcing a core–periphery structure within the urban system and across regions. This concentration indicates cumulative causation processes consistent with agglomeration theory. Existing advantages in connectivity, infrastructure, market access, and human capital attract further talent and investment, deepening spatial concentration over time (Krugman, 1991). However, unlike stylised agglomeration models, India’s urbanisation unfolds within a context of historically entrenched social hierarchies, deep interregional inequality, and uneven state capacity. As a result, agglomeration has not only reinforced regional disparities but has also spatialised them within cities. The concentration of capital in metropolitan regions is accompanied by a parallel concentration of governance capacity. Large cities typically possess political visibility, greater administrative resources, fiscal autonomy, and technical expertise than smaller towns and cities (Kundu, 2009). Cultural infrastructure, premier educational institutions, corporate headquarters, and advanced healthcare facilities cluster in major metros, creating sharp opportunity differentials between metropolitan and non-metropolitan India. By contrast, smaller cities and peripheral regions often struggle with limited basic service provision, and institutional capacity, reinforcing uneven national urban development. Within metropolitan regions, these dynamics manifest as stark intra-urban inequalities. Globally connected infrastructure, high-value commercial districts, and elite residential enclaves coexist with environmentally vulnerable spaces, informal settlements, and under-served neighbourhoods. Thus, the spatial organisation of Indian cities reflects not only market dynamics but also differentiated access to state support and political influence. Urban space becomes a terrain where social power, economic advantage, and governance capacity intersect, complicating celebratory narratives of agglomeration-led prosperity.

5.2 Density-Driven Policies and Distributional Tensions

In recent years, density-driven urban policies have gained prominence in India’s governance and planning discourse. Large-scale urban redevelopment projects, compact city models, transit-oriented development, and smart city initiatives are increasingly promoted as solutions to sprawl, congestion, and infrastructure inefficiency. These approaches align with global policy narratives that equate density with global competitiveness, sustainability, and productivity (OECD, 2015). However, their translation into the Indian context has generated significant distributional tensions. mA key dilemma lies between lived urban realities and compact city narratives. Policy discourses often portray density as socially vibrant, amenity-rich, and environmentally sustainable. In practice, density in many Indian cities frequently manifests as limited access to public amenities, overcrowding, inadequate living space, poor ventilation, and deficient sanitation. High-density redevelopment projects commonly prioritise aesthetic modernisation, commercial viability, and technological integration, often at the cost of informal communities and low-income residents. Area-based urban renewal initiatives, including those associated with the Smart Cities Mission, demonstrate these dilemmas. Such interventions tend to concentrate investment in selected precincts, producing islands of upgraded infrastructure while neglecting broader citywide needs. Evidence suggests that these approaches can intensify spatial fragmentation, social polarisation, and gentrification pressures, raising questions about who benefits from density-driven improvements and whose needs remain marginalised. Notably, housing affordability represents one of the most acute distributional challenges arising from density-led development. Agglomeration-induced increases in property and land values have rendered formal housing increasingly inaccessible for large segments of the urban population (Kundu, 2011). Working-class households essential to urban economies are often forced into peripheral locations or informal settlements where land is cheaper but connectivity, infrastructure, and services are inadequate. This contradiction is stark: density-driven growth generates employment opportunities while simultaneously undermining access to affordable and adequate housing. Peripheralisation and displacement constitute direct spatial injustices produced by density-oriented development. As centrally located land becomes increasingly commodified, low-income communities face eviction pressures and relocation to peripheral sites far from employment centres and urban amenities (Bhan, 2012; Dupont, 2011). Even formally provided affordable housing is increasingly located in poorly connected peripheral areas, eroding agglomeration advantages and imposing high mobility costs. Spatial location itself functions as a form of capital, and displacement to inferior locations represents an unjust expropriation of locational value. These distributional dilemmas are not incidental outcomes but are embedded in the political economy of urban development. Density-driven policies frequently align with the middle-class constituencies, interests of capital, and real estate developers, prioritising investment attractiveness and global competitiveness (Roy, 2009). Equity concerns are typically addressed through residual or compensatory measures instead of through a fundamental rethinking of how density is produced, distributed and governed.

5.3 The Paradox of Urban Growth

The Indian urban experience shows a profound paradox: high-density agglomeration and economic expansion coexist with widespread and persistent deprivation. Metropolitan regions generating substantial shares of national GDP simultaneously contain large populations lacking access to basic services, living in inadequate housing, and engaged in insecure employment (UN-Habitat, 2020). This coexistence challenges linear assumptions that agglomeration and urbanisation will automatically lead to broad-based development. Conceptually, this condition may be understood as “unequal agglomeration.” While agglomeration economies do operate in Indian cities (Seto et al., 2011), their benefits are distributed highly asymmetrically. Property appreciation, corporate profits, and high-end service sector wages accrue primarily to already privileged groups. On the contrary, productivity gains in informal sectors are often captured by intermediaries instead of workers, limiting improvements in livelihoods. When agglomeration generates predominantly informal employment characterised by the absence of social protection, low wages, and insecurity (Ray, 2024), aggregate growth does not translate into shared prosperity. Informality itself can be interpreted as a manifestation of unequal agglomeration. Informal workers and settlements function as coping strategies through which excluded populations secure shelter and livelihoods within the interstices of formal urban economies (Ray, 2024)