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Contribution of Informal Sector to Nigeria’s GDP: A Review Paper Approach

Ibrahim Audu Mohammed, Aishatu Adamu

Abstract

The informal sector plays a pivotal role in Nigeria’s economic development, contributing significantly to the country’s Gross Domestic Product over the years. This study examines the contribution of the informal sector to Nigeria’s GDP from 2012 to 2024, highlighting its trends, significance, and implications for economic policy. Findings reveal that the informal sector consistently accounted for a substantial share of GDP, with estimates ranging from approximately 41% to over 65% during the period under review. It also remains a key source of employment, engaging over 65% of the working population in various unregulated and often undocumented economic activities such as agriculture, trade, transportation, and services. Despite its economic value, the sector faces structural challenges including limited access to finance, lack of social protection, and regulatory exclusion. The paper argues that effective policy interventions aimed at formalization, financial inclusion, and capacity building are essential to harness the full potential of the informal sector. This research underscores the need for a more inclusive economic framework that recognizes and integrates informal sector dynamics into national development planning.

Keywords

Economic ResilienceFinancial InclusionNigeria`s GDPInformal Sector

References

Akinbobola, A. (2017). Economic Impact of the Informal Sector in Nigeria. African Development Review, 29(1), 1-16. Akpan, B. E., & Efiong, A. I. (2018). Youth Employment in the Informal Sector in Nigeria: A Path to Economic Empowerment. Journal of African Development, 15(2), 112- 126. Fadahunsi, A. (2019). The Informal Sector and Economic Development in Nigeria. Business & Economic Research, 9(1), 45-56. Fadahunsi, A. (2022). The Informal Sector's Role in Nigeria's Recovery from the COVID-19 Pandemic. Business & Economic Research, 10(2), 56-67. International Labour Organization . (2018). Women and Men in the Informal Economy: A Statistical Picture (3rd ed.). ILO. National Bureau of Statistics . (2025). Nigeria GDP Report 2024. Abuja: National Bureau of Statistics. NISER (National Institute for Social and Economic Research). (2017). The Informal Sector and the Nigerian Economy: A Policy Review. NISER Report. Obadan, M. I. (2019). Structural Adjustment and Informal Employment in Nigeria. African Economic Journal, 38(4), 234-248. Olokesusi, F. (2020). Empowering Women in the Informal Sector: Insights from Nigeria. Gender and Development Review, 16(2), 102-116. Oyekunle, A. (2022). Nigeria's Informal Sector and Economic Growth: A Review of Contributions, 2010-2020. Journal of African Economics, 29(4), 98-112.

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