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 ...

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, ...

This Knowledge Center documents and disseminates United Nations methodological guidelines, research articles and country practices and activities in the area of civil registration and vital statistics ...

This press release is available in German. Using demographic methods, ecologist Roberto Salguero-Gómez investigates desert plants to find out how vulnerable they are to climate change. The results of ...

In general, the terms "American Indian" and "Native American" are used interchangeably here to refer to the combined census categories of American Indian, Eskimo, and Aleut. Any use of other ...