Top Ten Largest Cities (by Population)

Shanghai : 
Of all the cities in China, Shanghai has the maximum population. It is situated in eastern part of the Asian nation and lies in a central region in the Chinese coast. It is at the source of the Yangtze River. The city has attained remarkable economic growth in the previous 20 years.

Mexico City : 
Mexico City functions as the synonymous North American nation’s Federal District capital. It is unique in the sense that it is not a state per se but operates as an independent federation. Mexico City is the biggest city of the country and is a key political, educational, cultural and economic hub.

Sao Paulo : 
In the southern and western parts of the world, Sao Paulo is the biggest city. It is the heart of the Sao Paulo Metropolitan Area and has been rated as the 2nd most populated metropolitan region in both South and North America combined.

Mumbai : 
Mumbai was known earlier on as Bombay. Of all the Indian cities, it has the maximum population and globally it stands on the 5th position in this regard. It has an estimated population of 12.5 million.

New York City : 
In USA, New York has the maximum number of residents. It is also the heart of New York Metropolitan Area that is one of the most highly populated regions on a global basis. It also houses the headquarters of the United Nations and is a global commercial, media and business hub.

Osaka : 
Osaka is the working heart and economic powerhouse of the Kansai region, Japan. It is the capital city of Osaka Prefecture and forms the largest part of Keihanshin Industrial Zone, the second biggest industrial and urban conglomeration in Japan. Located at the Yodo river, Osaka Bay, Osaka is the third biggest city of Japan in terms of population after Tokyo 23 wards and Yokohama. It spans a total area of 86 square miles with a population of about 2.5 million.

Newark : 
Newark is the biggest city (by population) of New Jersey and the administrative center of Essex County. It is situated on the western shore of the Passaic River, only 13 kilometers from the western region of lower Manhattan Island, New York City. It is not only the second biggest city of the New York metropolitan region, but also the country's chief center for airways, railways, and shipping. It consists of a total area of about 26 square miles with a population of over 278,400.

Cairo : 
Cairo, the capital of Egypt, is situated on the north eastern part of the country. It is the second biggest city in Africa and also the biggest city in the Middle-East. It is a doorway to the Nile delta, a point where the lower Nile divides into the Damietta and Rosetta branches. Dubbed as the "city of a thousand minarets" chiefly because of its predominance of the architecture of Islam, Cairo has been a hub of the region's cultural and political life. The city spans a total area of 175 square miles with a population of around seven million.

Here’s the order : 

Tokyo : 
Tokyo is a prefecture in Japan. It is situated in the southeastern region of Honshu Island and is made up of islands Ogasawara and Izu. The prefecture became a reality in 1943 after Tokyo City combined with Tokyo Prefecture. It is also the capital city of Japan.

New Delhi : 
New Delhi is an important city in India by virtue of being its capital. It also operates as the capital of National Capital Territory of Delhi. It is part of the Delhi metropolitan area – it is also one of Delhi Union Territory’s 9 districts. It covers an aggregate area of 16 square miles.