Andrew J Tatem works for the University of Southampton, and is Director of WorldPop. His research on mapping populations has been funded by donors such as the Gates Foundation, Wellcome Trust, GAVI.

Nigerian health officials won’t have to rely on flawed, decade-old census data when they plan deliveries of the measles vaccine next year. Instead, they will have access to what may be the most ...

San Francisco and Oakland's population sizes grew slightly between 2022 and 2023 while San Jose's dipped, according to the U.S. Census Bureau. San Francisco's population in July 2022 was 807,774, ...

As the year comes to a close, we explain how deeper problems persist, including a delayed census weakening survey estimates ...