Human anthills: the 15 most densely populated cities in the world

"The World Day of Cities" is celebrated annually on 31 October. This holiday was approved in December 2013 UN General Assembly resolution to attract the world's attention to the problems of urbanization.

The UN estimates that by 2050 more than 60% of the world population will live in cities, whereas in the beginning of the XIX century, such people was 2%.

What are the most populated metropolitan areas (population is given in accordance with the UN data for 2016) - on the list:

Moscow - 12, 3 million people.

The UN ranking of Moscow occupies 22th place. The population of the Russian capital, according to the global organization of 12, 3 million people.

Istanbul (Turkey) - 14, 4 million people

Kolkata (India) - 15, 0 million.

to Buenos Aires (Argentina) - 15, 3 million people.

Karachi (Pakistan) - 17, 1 million people.

Dhaka (Bangladesh) - 18, 2 million people.

New York (USA) - 18, 6 million people.

Cairo (Egypt) - 19, 1 million people.

Osaka (Japan) - 20, 3 million people.

Mexico (Mexico) - 21, 2 million people.

Beijing (China) - 21, 2 million people.

Sao Paulo (Brazil) - 21, 3 million people.

Mumbai (India) - 23, 4 million people.

Shanghai (China) - 24, 5 million people.

Delhi (India) - 26, 5 million people.

Tokyo (Japan) - 38, 1 million people.