For one thing, demographic decline will put increasing pressure on the country’s military. Today, with more than 2 million ...

Domestic outmigration — those leaving California for another state — grew from 2023 to 2024, a sign that the state is still ...

Jenny Stewart does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Populations grow at geometric or exponential rates in the presence of unlimited resources. Geometric populations grow through pulsed reproduction (e.g., the annual reproduction of deer, which have a ...

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 ...

Discover the significance of the working-age population, typically aged 15-64, in shaping economic outcomes and employment trends. Learn how demographics affect economies.

Discover how the employment-to-population ratio reveals labor market health by comparing employed individuals to the working-age population, with fewer fluctuations than unemployment rates.

San Diego, the state's second-most populous county, had a population of 3,336,081 persons in fiscal year 2025, an increase of 0.32% over 2024's figure.

New York City Population: 8.18 million Total Area: 469 square miles Red Region Population: Total Area: New York City Los Angeles County Wyoming New Jersey Texas Coasts Created by @BenBlatt Earlier ...

In January 2024, Fort Worth replaced Austin as the No. 4 Texas city by residents. But the switchup proved to be temporary, by July 2024 and January 2025 population estimates.

Preliminary demographic estimates indicate the country’s population declined by 76,068 between July 1 and Oct. 1, a drop of 0.2% that took the population down to 41.58 million.