NEW YORK] US births declined in 2023 to the lowest level in more than 40 years, continuing a decades-long trend towards ...

All U.S. population growth in 2022-23 happened because of immigration, rather than births, for the first time since 1850, a ...

Immigration was the sole driver of the United States' population growth in a single year for the first time since records ...

According to census demographer Kristie Wilder, the population rise in cities is increasingly being “influenced by ...

All of the United States’ net population growth between 2022 and 2023 was due to immigration, according to the Migration ...

WASHINGTON (Reuters) - U.S. bird populations are experiencing alarming declines due to factors such as habitat loss and ...

Cities like Boston and Chicago celebrate the day with parades, river dyeing, and cultural events, attracting millions of ...

Texas' population climbed 1.8% in 2023-24, meaning both Dallas and Tarrant counties lagged behind the statewide figure.

Many counties in Tennessee, Florida, and South Carolina had more people moving in than out domestically.

Over the past 20 years the U.S. butterfly population has declined 22%, a dramatic loss that has scientists concerned. "The easy number to think about is the total number of butterflies in your yard.