Readers discuss a guest essay about birthrates and the world’s population. Also: A citizens’ celebration for America’s 250th ...

According to the World Population Review, the world's most populous cities remain concentrated in Asia and Latin America.

Migration into the European Union pushed its population to a record 450.4 million people last year, offsetting a natural ...

The world's population is expected to peak at 10.3 billion in 2084 and then decline to 10.2 billion through the end of the ...

Experts suggested that more data and education are needed as Texas and the rest of the country build in known flood plains.

This group of people has grown faster in South Carolina compared to the rest of the U.S., according to new Census data.

Despite net interstate migration numbers that have trended negative for most of the century, demographer Mark McCrindle ...

Can cities continue to grow without destroying Earth? A new paper from ICTA-UAB, Spain, offers insight into this complex ...