North America 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). While the United States, Canada, and Mexico maintain the largest populations, large city populations are not restricted to those nations. There are also large cities in the Caribbean. The largest cities in North America, by far, are Mexico City and New York. These cities
Geography of North America and rich mineral deposits including copper, lead, gold, silver, tungsten, uranium, and zinc. Coal, petroleum and natural gas are mineral fuels found. Old mine tailings are present in the Rocky Mountain landscape. Agriculture and forestry are two major industries. Agriculture includes arid land and irrigated farming and livestock grazing. Livestock are often moved between high-elevation summer pastures and low-elevation and winter pastures. Map and aerial photos Geography of North America North America is the third largest continent, and is also a portion of the second largest supercontinent if North and South America are combined into the Americas and Africa, Europe,