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
Bahá'í Faith in South America of some 83 tribes of Native Americans had joined the religion. Among the Central and South American indigenous there are substantial populations of native Bahá'ís. An informal summary of the Wayuu ( a tribe living in La Guajira Desert) community in 1971 showed about 1000 Bahá'ís. The largest population of Bahá'ís in South America is in Bolivia, a country whose population is estimated to be 55%–70% indigenous and 30%–42% Mestizo, with a Bahá'í population estimated at 206,000 in 2005 according to the Association of Religion Data Archives. Relationships between North American and South American Indian populations have been fostered by