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 ...

Family size around the world is dropping. That choice by couples is triggering a population shift that's sending shock waves ...

In 1970, a woman in Mexico might have expected to have seven children, on average. By 2014, that figure had fallen to around two. As of 2023, it was just 1.6. That means that the population is no ...

Elon Musk has said that declining birth rates present “the biggest danger civilization faces by far.” In fact, he quips that ...