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 ...

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

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

Domestic migration has changed over the past 10 years, as Americans chase better jobs, cheaper housing and a greater quality ...

Black bear sightings have increased in Ohio, according to state data. Now wildlife officials are studying their population ...

For decades, discussions around global population have largely centered on overpopulation. Yet, a quieter, more insidious crisis has been steadily unfolding, and its true severity is only now coming ...

famines and societal collapse driven by runaway population growth. Over five decades later, the global conversation has ...

According to the latest Current Population Survey, about 8.3 percent of households (10.9 million) reported moving over the ...

The Asian American and Hispanic communities in Metro Detroit grew significantly over the last half-decade, helping to fuel a small boost in Michigan's population, newly released Census Bureau data ...

London’s population is projected to reach 10 million within the next decade, in part due to international migrants coming to the capital.