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
City status in the United Kingdom Since local government reorganisation in 1974 city status has been awarded to a number of local government districts which are not themselves towns. Each includes a number of towns and villages outside the urban area from which the district takes its name. In some of these cases city status was awarded to districts where the largest settlement had city status before 1974. In other cases a borough was formed to govern an area covering several towns and then city status was granted to the borough. The largest "city" district in terms of area is the City of Carlisle, which covers