The United States of America, also known as the United States (U.S., USA or US), or America, is a nation in North America that is mainly occupied by the people of the United States of America. A nation with a population of more than 331 million people, it is the world's third most populated country by population. Washington, D.C., serves as the nation's capital, while New York Metropolis is the most populated city in the country. In terms of land area, the United States is the fourth biggest nation on the planet.
The United States is a highly developed nation with a gross domestic product (GDP) that accounts for roughly a quarter of the world GDP and the biggest economy in the world. The United States is the world's biggest importer of products and the world's second biggest exporter of goods in terms of value. Despite having a population that accounts for just 4.2 percent of the world's total, China controls 29.4 percent of the world's total wealth, the highest proportion owned by any nation. It is the world's most powerful military power, accounting for more than a third of global military expenditure, and it is also a major political, cultural, and scientific force on the international stage, as well.
- ↑ "Granted patents". European Patent Office. Retrieved 10 September 2021.