Socio-spatial segregation refers to the way socioeconomic inequalities in cities translate into physical and social separation between different social groups. Scholars such as Loïc Wacquant, Douglas Massey, and Saskia Sassen have examined how the unequal distribution of wealth, opportunities, and resources produces divided urban geographies. Their work demonstrates that segregation is not an inevitable byproduct of urban growth but rather the outcome of economic processes and policy decisions that reinforce inequality. In Urban Outcasts, Wacquant analyzes how urban marginalization in developed countries has led to the formation of ghettos and socially excluded neighborhoods.
According to him, these areas emerge through systematic processes of social exclusion, intensified by neoliberal economic policies and the retrenchment of the welfare state. Communities affected by these dynamics often lose access to employment, education, and public services. For Wacquant, spatial segregation is closely tied to growing polarization between affluent and disadvantaged populations, exacerbated by globalization and urban policies that prioritize capital accumulation over social welfare. Douglas Massey focuses on the United States in American Apartheid, where racial and economic segregation has produced deep spatial divisions within cities.
Massey argues that discriminatory housing policies and structural barriers faced by minority populations—particularly African Americans—have created a form of urban apartheid. In his analysis, segregation is not merely a consequence of poverty but is also deeply connected to racial discrimination and institutionalized inequality. These spatial divisions restrict access to employment opportunities, quality education, and other resources essential for social mobility. Meanwhile, in The Global City, Sassen expands the analysis of socio-spatial segregation within the context of global cities.
She argues that the concentration of capital and economic power in cities such as New York, London, and Tokyo has intensified spatial inequalities. These cities tend to become polarized urban spaces, where highly paid global professionals coexist with a growing precarious labor force, often composed of migrants and low-wage workers. Globalization, according to Sassen, produces a fragmented urban geography in which financial districts coexist with marginalized neighborhoods facing high vulnerability. Despite their different perspectives, all three scholars agree that spatial segregation is not a natural or inevitable phenomenon.
Instead, it is shaped by public policies, economic restructuring, and institutional practices. Wacquant emphasizes the impact of welfare retrenchment and privatization, Massey highlights the role of racial discrimination and housing policy, and Sassen points to the structural effects of global capitalism on urban inequality. One of the most concerning consequences of socio-spatial segregation is its impact on social mobility. Segregated neighborhoods—often located in urban peripheries—frequently lack adequate access to public services, transportation, education, and employment opportunities.
This lack of access reinforces cycles of poverty and marginalization, limiting the ability of residents and future generations to improve their living conditions. In summary, socio-spatial segregation reflects the deep social and economic inequalities embedded within contemporary cities. The work of Wacquant, Massey, and Sassen demonstrates that addressing segregation requires active urban policies aimed at reducing inequality and promoting urban equity. Without such interventions, cities will continue to be fragmented spaces where geographic proximity does not translate into equal opportunity.
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