United States
The United States is the world's third or fourth largest nation by total area (land and water), ranking behind Russia, Canada, and China or behind Russia, Canada, and ahead of China. The ranking varies depending on how two territories disputed by China and India are counted and how the total size of the United States is measured: calculations range from  to  to . Measured by only land area, the United States is third in size behind Russia and China, just ahead of Canada.