Urban Transformation

The world’s 10 largest cities by 2030

Medium-rise and low-rise residences and office buildings are seen from the first observatory deck of Tokyo Sky Tree in Tokyo October 30, 2011. The Tokyo Sky Tree, which is under construction, will stand 634 metres (2,080 feet) high upon completion, and will be the tallest stand-alone communications tower in the world. The Tokyo Sky Tree's grand opening is on May 22, 2012. REUTERS/Issei Kato

Image: REUTERS/Issei Kato

Joe Myers
Writer, Forum Agenda
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Cities and Urbanization

In 1950 it was New York. Today, it’s Tokyo. By 2030? It will be a much bigger Tokyo.

Sixty-five years ago, a population of 12 million was enough to see the Big Apple take the world’s biggest city crown. In just 14 years’ time, Tokyo’s population is forecast to reach 37 million, according to the United Nations.

This would make it the equivalent of the world's 55th biggest country, if you were wondering.

2030’s biggest cities

 These will be the world's biggest cities in 2030

Delhi is in second place. The Indian city’s population is forecast to top 36 million come 2030. It’s population in 1970? Just 3.5 million.

Shanghai completes the top three, with a predicted population of nearly 31 million.

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With the exception of Tokyo, the top 10 is dominated by cities in emerging and developing economies. A remarkable change from 1950, as the following chart shows.

 These were the world's biggest cities in 1950

Whereas 12.4 million got you the top spot in 1950, by 2030, this would only be good enough for 30th place.

An urbanizing world

The latest UN World Urbanization Prospects reflects the trends seen in the two charts above.

The world’s urban population has grown rapidly since 1950, increasing from less than 750 million to 3.9 billion in 2014. A further 2.5 billion are expected to be added to this by the middle of the century.

The epicentre of this growth? Asia and Africa. These two regions are urbanizing more rapidly than other regions of the world, according to the report.

All of this now means that a majority of the world’s population live in urban areas.

 Urban and rural population of the world, 1950-2050
Image: UN
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