Half of humanity now lives in cities and within two decades, nearly 60 per cent of the world’s people will be urban dwellers,“ according to a UN Habitat study.
As cities expand into mega regions, there is a rapid growth in the population as well. Some of the world’s richest cities are also the most populous.
A report by McKinsey Global Institute says that India will have 68 cities by 2030 with a population of over 1 million, 13 cities with more than 4 million people, and 6 megacities with populations of 10 million or more.Here’s a list of the world’s 15 biggest metropolitan areas, according to Allianz Knowledge.