North America, covers an area of about 24,709,000 square kilometers, about 16.5% of the Earth's land area and about 4.8% of its total surface. In 2013, its population was estimated at nearly 579 million people in 23 independent states, or about 7.5% of the world's population.
North America's GDP per capita was evaluated in October 2016 by the International Monetary Fund to be $41,830, making it the richest continent in the world.
Canada, Mexico, and the United States have significant and multifaceted economic systems. The United States has the largest economy of all three countries and in the world. In 2016, the U.S. had an estimated per capita gross domestic product (PPP) of $57,466 according to the World Bank, and is the most technologically developed economy of the three.Canada's per capita GDP (PPP) was estimated at $44,656 and it had the 11th largest GDP (nominal) in 2014.Mexico has a per capita GDP (PPP) of $16,111 and as of 2014 is the 15th largest GDP (nominal) in the world.