The United States of America(USA), also known as the United States(U.S.) or America, is a country primarily located in North America. It is a federal republicof 50 statesand a federal …

U.S. facts and figures Learn about the United States, including American history, the president, holidays, the American flag, census data, and more.

Sep 28, 2025 · The United States is the fourth largest country in the world in area (after Russia, Canada, and China). The national capital is Washington, which is coextensive with the District …

Oct 1, 2025 · Explore All Countries United States North America Page last updated: October 01, 2025

Voting and elections Find out how to register to vote, where your voting location is, how presidential elections work, and more about voting in the United States.

We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and …

A map of the United States showing its 50 states, federal district and five inhabited territories. Alaska, Hawaii, and the territories are shown at different scales.

Sep 21, 2025 · Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North …

The United States of America (USA), also known as the United States (U.S.) or less precisely and colloquially as America, is a country that is mainly in North America.

Learn about the United States, including American holidays, the American flag, presidents, census data, and the U.S. Constitution.