How Old Is The United States Of America 2024. Although the us is 245 years old as of 2021, the country has existed for more than 2.5 centuries. The earliest history of what is now america occurred when the land was settled by indigenous.

In 2024 is 341,814,420, a. Buoyed by victories in world wars i and ii and the end of the cold war in 1991, the us remains the world’s most powerful nation state.