20 Biggest Metropolitan Areas in the World in 2015

The population of world is increasing with the passage of time and cities of various countries became mega cities with highest number of inhabitants living in the metropolitan area of the city. To rank top largest cities in world we have analyzed the population with respect to people lived in all surrounded areas outside of the established border of the city. The list contains most of Asian cities while some of American cities also included in the list of top largest cities around world with respect to total resident living in the city while few of them also have large land area while other could be ranked among densely populated cities on planet.The figure of population contains the most recent estimated data from reliable sources to make the list most accurate and updated for the users. The experts of Insidermonkey make a list of 20 biggest metropolitan areas in the world in 2015.

The world is rapidly becoming urban. More than half the world’s 7-plus billion people live in urban areas. Nearly a quarter of the population lives in “cities” of a million or more. Eight percent reside in mega cities — urban areas of at least 10 million. And that percentage rises with each new mega city. Massive cities are a modern phenomenon. According to census historian Tertius Chandler, none of the ancient cultural powerhouses — Athens, Rome, Alexandria, or the Chinese capitals such as Chang’An (modern Xi’an) — reached a population of one million. Prior to the Industrial Revolution, Baghdad alone reached a million, in 925, only to suffer catastrophic losses. For nearly a millennium, famine, wars, and disease prevented cities from reaching one million. You can check 12 fastest growing metropolitan areas in America in 2015 also.