National Academies of Sciences%2c Engineering%2c and Medicine

Beyond Six Billion: Forecasting the World's Population

Global population projections are available from the U.N. Population Division, the World Bank, the U.S. Census Bureau, and the International Institute for Applied Systems Analysis (IIASA). 1 However, ...
Pew Research Center

Methodology A: Unauthorized immigrant estimates

This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for previous years back to 1990. These estimates supersede all previously published Pew ...