is puerto rico in north or central america
North America The most populous country in North America is the United States with 318.4 million persons.[91] The second largest country is Mexico with a population of 112,322,757.[92] Canada is the third most populous country with 32,623,490.[93] 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.[94][95][96][97][98] 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).[99]