Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

The world's population growth tells two stories: in many countries populations are aging, while in others, populations are getting younger. Projections show most countries will likely see shrinking ...

The U.S. Census Bureau has projected that the nation's population will hit 341,145,670 at midnight on New Year's Day. It marks an increase of over 2.6 million people (0.78%) from January 1, 2024, and ...

In Wisconsin and nationwide, population growth slowed in 2025 amid a significant decline in international migration.

A slowdown in immigration and lower birth rates could crimp the U.S. economy by shrinking the nation's workforce, researchers ...

Fewer births means slower growth and fewer students in school, Weldon Cooper Center for Public Service figures show.

The parliamentary budget officer predicts Canada's rate of population growth will remain flat in 2026, mainly due to cuts to non-permanent resident admissions in the latest federal Immigration Levels ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. INDIANAPOLIS — New data from the U.S. Census ...

With Canada's population growth now essentially flat, the country could be heading toward an unprecedented situation where ...