Abstract This study examines the interlinked threats of social exclusion, institutionalized corruption, and insecurity to Nigeria’s sustainable development. Despite abundant resources, Nigeria continues to lag in human development due to structural and governance weaknesses that hinder inclusive growth and institutional stability. Drawing on documentary analysis, secondary data, and empirical evidence, the study demonstrates how exclusionary practices, corruption networks, and insecurity reinforce one another to perpetuate cycles of underdevelopment. Social exclusion, evident in ethnic marginalization, gender inequality, and youth unemployment, alienates large segments of society, undermining cohesion and fueling grievances exploited by extremist groups. Institutionalized corruption, entrenched across political, judicial, and economic systems, diverts development resources, weakens institutions, and sustains inequality. Insecurity, manifested through insurgency, banditry, kidnapping, and communal clashes, further deepens these challenges by displacing communities, disrupting agriculture, discouraging investment, and diverting funds from essential services to defense expenditures. Trend analyses of Nigeria’s Peace Index, Corruption Perceptions Index, and Human Development Index reveal persistent instability, systemic corruption, and only modest improvements in human development. The findings show that insecurity remains the most severe barrier, followed by corruption and exclusion. The study concludes that achieving the Sustainable Development Goals (SDGs) requires holistic reforms that integrate inclusive governance, strong anti-corruption measures, security sector restructuring, and empowerment of marginalized groups.
OSUGBA Sylvester (Sat,) studied this question.
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