The Census Bureau has revealed how the global population will change between now and 2100, with some nations losing hundreds of thousands of people and others seeing large population growth. By 2100, ...

Earth has already exceeded its ability to support the global population sustainably, with new research warning of increasing ...

Almost every country in the world has seen fertility rates decline over the past few decades, but one region's birth rates are still so high that it is expected to provide more than half the global ...

On July 11, the United Nations will mark its annual World Population Day, which aims to raise awareness of global population trends and related issues. Here are five facts about how the world’s ...

The world ’s demographic map is changing rapidly, and the shift is most visible in Africa. Several African countries are set to experience extraordinary population growth by 2050, while other regions ...

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 ...

Elon Musk has said that declining birth rates present “the biggest danger civilization faces by far.” In fact, he quips that he's taking the problem on personally—saying he was “doing [his] best to ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...