<P> The most populous country in North America is the United States with 318.4 million persons . The second largest country is Mexico with a population of 112,322,757 . Canada is the third most populous country with 32,623,490 . The majority of Caribbean island - nations have national populations under a million , though Cuba , Dominican Republic , Haiti , Puerto Rico ( a territory of the United States ) , Jamaica , and Trinidad and Tobago each have populations higher than a million . Greenland has a small population of 55,984 for its massive size ( 2,166,000 km2 or 836,300 mi2 ) , and therefore , it has the world 's lowest population density at 0.026 pop. / km2 ( 0.067 pop. / mi2 ) . </P>
<P> The most populous country in North America is the United States with 318.4 million persons . The second largest country is Mexico with a population of 112,322,757 . Canada is the third most populous country with 32,623,490 . The majority of Caribbean island - nations have national populations under a million , though Cuba , Dominican Republic , Haiti , Puerto Rico ( a territory of the United States ) , Jamaica , and Trinidad and Tobago each have populations higher than a million . Greenland has a small population of 55,984 for its massive size ( 2,166,000 km2 or 836,300 mi2 ) , and therefore , it has the world 's lowest population density at 0.026 pop. / km2 ( 0.067 pop. / mi2 ) . </P>
is puerto rico in north or central america
is puerto rico in north or central america
Puerto Rico
Puerto Rico