The document discusses the role of the informal sector in the development of the Nigerian economy. It begins by [1] defining the informal sector and its characteristics, noting that it accounts for a significant portion of employment and GDP in Nigeria. It then [2] analyzes the contributions of the informal sector to output and employment in Nigeria, finding that it plays an important role in providing jobs and income. Finally, it [3] recommends that Nigerian development policies place greater emphasis on supporting the informal sector.