A map of the youngest and oldest states in the country shows Utah as having the youngest population. The demographic map, ...

States are part of countries, and countries may be grouped by other areas, like continents, hemispheres, or a political or economic body. The US is also commonly referred to in three distinct ways: as ...

By 2045, more than half of the U.S. population will live in just 16 states. That’s a big shift—and it says a lot about where ...