India, currently being the home of five mega cities will change its number to seven by 2030, cites the 2016 World Cities Report issued by UN’s department of economic and social affairs . It also points that Delhi will continue to be the 2nd most populous city in the world even till 2030, adding a staggering 9.6 million to its population- the most in any mega city.
On a global scale, the study suggests that more than half of the world’s population are currently living in urban areas.
Around the world, about 500 million people live in 31 mega-cities. That’s about 6.8% of the world’s population or 12% of the world’s urban population. The report calculates that by 2030, the number of megacities will increase to 41 and their population to about 730 million or 8.7% of the world’s population