What is the largest city in the world?

Urban centers have been proliferating across the world as large populations settle in cities to take advantage of better economic opportunities, modern infrastructure, and other amenities. read more

Determining the world's largest cities depends on which definitions of city are used. The United Nations uses three definitions for what constitutes a city, as not all cities may be classified using the same criteria. read more

The data on these 30 largest cities of the world as of 2014 reflects the best possible estimates of the populations of these huge cities. It is notoriously difficult to measure urban populations, especially in developing countries. read more