Asia has nearly double the area of North America (43.8 million square kilometers versus 24.5 million square kilometers), and North America accounts for 16.5% of the world's total landmass and 8% of the world's total population. read more
The population density in the United States is 36 per Km 2 (93 people per mi 2). The total land area is 9,147,420 Km2 (3,531,837 sq. miles) 83.7 % of the population is urban (273,368,693 people in 2018) The median age in the United States is 37.8 years. read more
The estimated number of people as of 2012 is 542 million people, of which about 314 million live in the US, 35 million in Canada, and 114 million in. read more