Researchers formulated a mathematical equation that unifies 12,000 years of human population growth and points to an alarming ...

WICHITA, Kan. (KSNW) – The population of the United States will have surpassed 341 million by the time the clock strikes midnight on New Year’s Day (EST), according to the U.S. Census Bureau. The ...

The Congressional Budget Office has shrunk its projections for the U.S. population in 30 years to 372 million residents, a 2.8% drop from last year, citing declining birth rates and less expected ...

Fertility behavior is jointly determined by both the mother and the father. However, fertility is traditionally defined as the number of children born to women in demography and related studies.

Over the next 75 years, the U.S. population will increasingly concentrate around a few key regions megaregions throughout the country. While some of the populations of some of the largest cities will ...

For decades, China’s population story was one of rapid expansion. Even into the 2000s, the country was still adding millions of people a year—a demographic tail wind that helped power breakneck ...

Projected population changes across Europe vary significantly, with the EU population set to fall by 53 million by 2100. Experts point to the role of immigration in explaining differences between ...