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 ...

Right now, human population growth is doing something long thought impossible—it's wavering. It's now possible global population could peak much earlier than expected, topping 10 billion in the 2060s.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The global population landscape is set to experience a significant ...

The economic impact of changes in population growth rates and age structure can dramatically shift as countries transition from high to low rates of mortality and fertility. Initially, mortality ...

John Wilmoth is Director, Population Division of the United Nations Department of Economic and Social Affairs (UN DESA). Clare Menozzi, Lina Bassarsky and Danan Gu are Population Officers, UN DESA.

In recent years, the idea of having fewer children or not having children at all has been put forward by some climate activists as way to tackle climate change. A few scientific studies have ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A slowdown in the pace of the explosive population growth that has ...

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 ...

According to new population projections, 20 counties will gain over 1.2 million new residents each by 2100. Growth is centering around the urban and suburban cores of large metro areas. The county ...

The global population ballooned by about 1.7 billion people between 2000 and 2020. But growth was uneven around the world and, in some places, immigration played a key role. In 14 countries and ...