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
Demographics of New York City genetic signature on their Y chromosomes inherited from Niall of the Nine Hostages, an Irish high king of the 5th century A.D. New York City has the largest population of Italian Americans in the United States of America as well as North America, many of whom inhabit ethnic enclaves in Brooklyn, the Bronx, Manhattan, Queens, and Staten Island. New York City is home to the third largest Italian population outside of Italy, behind Sao Paulo, Brazil and Buenos Aires, Argentina, respectively. The largest wave of Italian immigration to the United States took place in the late 19th century and early