A marginal economy refers to an economic condition in which individuals, households, or communities operate at the edge of subsistence with very limited access to productive resources, employment opportunities, markets, credit, education, healthcare, and social security. Such economies are characterized by low income, high vulnerability, inadequate infrastructure, and limited participation in mainstream economic activities. Marginal economies are commonly found among rural populations, tribal communities, urban slum dwellers, landless laborers, small farmers, migrants, women-headed households, and socially disadvantaged groups. In the context of community organization management for community development, understanding the nature and causes of marginal economies is essential for designing effective development interventions. The major characteristics of a marginal economy include low productivity, dependence on traditional occupations, seasonal unemployment, underemployment, poor access