New data also shows how the population of children is going down, while the population of elderly Americans is rising.

The population of the United States has grown almost 123 times since the first federal census was conducted after the Declaration of Independence.

A chilling new map has been released, showing the devastating effects of a large-scale nuclear attack on the United ...

Chicago Tribune editorial warns of Illinois' aging population, citing outmigration of young adults and declining birth rates ...

Vital Records Index NYC reports global population is set to peak at 10.3B by 2080s, then decline, prompting economic and ...

Immigration is driving U.S. population growth, partially offsetting a broader demographic shift as baby boomers age, ...

A new 10-year strategy to improve a town has been launched in preparation for a huge number of people moving to the ...

South Korea's population might plummet to 15% of its current level over the next 100 years due to an ongoing demographic ...

Black bear sightings have increased in Ohio, according to state data. Now wildlife officials are studying their population ...