Urban Transformation

India will have 7 megacities by 2030, says UN

Indian children ride in a cart on the way home from school in the outskirts of New Delhi

Massive metropolises are our future, says the UN World Cities report Image: REUTERS/Pawel Kopczynski

Simon Torkington
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India is a key topic at the World Economic Forum's Annual Meeting 2017. Watch the session on India’s Turn to Transform here.

The noise and bustle on the streets of India’s biggest cities is a defining characteristic of a country that’s home to over a billion people.

Every year, millions more leave their traditional homes in rural towns and villages and head into urban areas. The United Nations World Cities Report 2016 says 9.6 million people will move to New Delhi by 2030.



To qualify as a megacity under the UN definition, an urban area must have a population of 10 million people. The UN takes into account urban sprawl and measures populations beyond official city limits. On these criteria, India currently has five megacities.

1. New Delhi The capital city has a population of 26.5 million people
2. Mumbai India’s financial hub has a population of 21.4 million people
3. Kolkata An important trading hub, with 15 million people living in urban area
4. Bengaluru The ‘Silicon Valley’ of India; 10.5 million people call it home
5. Chennai Home of the Indian motor industry, as well as 10.2 million people

Other urban areas in India are growing rapidly as people look to cities for jobs and financial security, as well as the chance of a better education for their children. This rural-to-urban migration will result in two more urban areas becoming megacities by 2030, says the UN.

1. Hyderabad A strong IT hub and tourism centre. It may be home to 12.8 million by 2030
2. Ahmedabad The heart of the textile industry is expected to house 10.5 million by 2030

The UN’s World Cities report finds that big cities "create wealth, generate employment and drive human progress". On the downside, megacities are also responsible for driving climate change, inequality and exclusion, as well as the breakdown of traditional family structures, which leaves elderly people isolated and vulnerable.

 Challenges for megacities
Image: UN World Cities Report

Megacities and mega-slums

Many millions of people who move to India’s growing cities will miss out on the economic benefits of urban living. The UN report says the number of people living in slums across the developing world rose from 689 million to 880 million between 1990 and 2014. The Dharavi slum in Mumbai is home to an estimated one million people. New arrivals are not totally deprived of opportunities, however. According to the Economic Times of India, the slum has an economic output estimated at $1 billion a year.

 Global patterns of urbanization
Image: UN World Cities Report

The global rise of megacities

The drift from rural to urban living is not exclusive to India; it's happening across the developing world. The UN report says 500 million people currently live in 31 megacities around the world.

What's more, the number of cities with populations of more than 10 million people will rise to 41 by 2030. Most of that growth will happen in Asia and Africa. The two continents will be home to 33 of those 41 megacities by 2030.

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Related topics:
Urban TransformationGeographies in DepthClimate Action
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