Population Reference Bureau

WASHINGTON, D.C., October 20, 2026—More than 2.8 billion people live in countries and territories where adults age 65 and older outnumber children under age 15, according to PRB’s 2026 World Population Data Sheet and Data Explorer.

More than 1.5 million children were missed in the last U.S. census.

Social Security’s funding shortfall may be arriving sooner than projected just a year ago.

WASHINGTON, DC — The Population Reference Bureau (PRB) is delighted to announce that Jessica S.

In over half of all countries, fertility now sits below the replacement rate of 2.1 births per woman.

Washington, D.C., August 20, 2026 — New data released today by the Appalachian Regional Commission (ARC) and Population Reference Bureau (PRB) in the 16th annual update of The Appalachian Region: A Data Overview from the 2020–2024 American Community Survey

Africa is home to a rapidly growing population, with a large share of children and youth relative to the number of adults in the workforce.

With each decade, conducting the U.S. census becomes a more onerous task.

On May 6, researchers, statisticians, and policy advocates gathered at the Population Association of America’s annual meeting in St.

Africa’s rapidly increasing population is a dynamic force, positioning the continent to be a major driver of global population growth.

There is perhaps no more contested topic than migration.