The United States is the world's fifth or sixth-largest country by total area.
At 3.8 million square miles -LRB- 9.8 million km2 -RRB- and with over 324 million people , the United States is the world 's third - or fourth-largest country by total area , third-largest by land area , and the third-most populous .
The United States
is
the world's fifth or sixth-largest country by total area
the world 's third - or fourth-largest country by total area