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At 3.8 million square miles (9.8 million km2) and with over 324 million people, the United States is the world's third-largest country by total area (and fourth-largest by land area) and the third-most populous.
The Census Bureau on Monday also projected that the United States will have a New Year's Day population of 317.3 million, up by 2.2 million in a year. It projects the worldwide population will be 7.14 billion, up by 77.6 million in a year.