The census is conducted every 10 years in the United States, but did you know it’s required by the Constitution? In Article I, Section 2, the Constitution says Congress must count the residents of the ...

The United States is growing older. The median age in this country is rising, according to the Census Bureau. The median is now almost 39 years old, meaning that half the population is below that age ...

Demographer Jennifer Sciubba joins WIRED to answer the internet's questions about population and demographics. What is demography? What perspective can demographics provide about populations and ...

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 global human population has been climbing for the past two centuries. But what is normal for all of us alive today — growing up while the world is growing rapidly — may be a blip in human history.

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 number of immigrants in the United States appears to be shrinking for the first time since the 1960s — though the population of unauthorized immigrants reached a record-setting 14 million just two ...

According to Elon Musk, the world’s richest man and the father of at least a dozen children, the greatest potential risk to the future of civilisation is population collapse. Taking a very long-term ...

Dr. Geruso and Dr. Spears are economists and the authors of the forthcoming book “After the Spike: Population, Progress, and the Case for People.” We’ve all heard that human overpopulation is a crisis ...