The United States is the third largest country in the world based on land area. There are different estimates showing the total land area of the country, but all of them show the country as being over 3.5 million square miles (9 million sq km). The Central Intelligence Agency's World Factbook states that the total land area of the U.S. is 3,794,100 square miles (9,826,675 sq km). The United States is broken down into 50 states and one district (Washington D.C.). The following is a list of all 50 states arranged by total area from largest to smallest.