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 ...

Immigration crackdowns may be slowing U.S. population growth and reshaping the economy, says Luke Pardue, policy director at the Aspen Institute Economic Strategy Group. The Trump administration's ...

Minnesota’s population has grown in three ways: naturally via more births than deaths, people moving here from other states and international migration. Demographers point out, however, that in as few ...

The Iowa Business Council in its annual report says Iowa's slow population growth is a major challenge. The council calls for federal immigration reform to address the problem. Immigration accounts ...

Sometimes numbers don’t tell the whole story. The latest state population update might qualify as a case in point. According to the latest U.S. Census Bureau figures, most Massachusetts communities ...