Current Poverty Guidelines
One version of the US Federal Poverty Measure from the Department of Health and Human Services.
Poverty Data - US Census Bureau
Poverty definition, thresholds & guidelines, Current Population Survey (CPS), Poverty in the US, and Decennial Census data.
Institute for Research on Poverty (IRP)
A national, university-based, nonprofit, and nonpartisan center for research into the causes and consequences of poverty and social inequality in the United States.
World Bank: Poverty
Collection of reports and data on world poverty.
National Center for Children in Poverty
Newsletters, state and local information, research, and data relating to child and family poverty.