People in the capital city: Japan, Congo - Kinshasa, and United Kingdom, 1950–2020

People in the capital city: how do Japan, Congo - Kinshasa, and United Kingdom compare?

Japan: from 12.6M in 1950 to 33.7M in 2020.

Congo - Kinshasa: from 213K in 1950 to 10.5M in 2020.

United Kingdom: from 7.91M in 1950 to 9.99M in 2020.

Greater Tokyo grew from 13 to 34 million people: the largest city on Earth. Kinshasa had about 200,000 people in 1950. By 2020 it had over 10 million: 49 times more. London actually shrank as families moved out to the suburbs and new towns. It hit bottom in 1980, then grew again to 10 million.

010M20M30M40M195019852020
JapanCongo - KinshasaUnited Kingdom

What does this chart measure?

People in the capital city (people). People living in the capital's built-up area, suburbs included. One value every 5 years.

What are the exact numbers?

People in the capital city: Japan, Congo - Kinshasa, and United Kingdom, 1950–2020
YearJapanCongo - KinshasaUnited Kingdom
195012.6M213K7.91M
195514.5M278K7.86M
196016.8M375K8.03M
196519.4M555K7.95M
197021.7M770K7.65M
197524.3M1.04M7.37M
198025.9M1.55M7.03M
198527.2M2.25M7.03M
199028.6M3.06M7.14M
199529.2M4.25M7.39M
200030.3M5.33M7.65M
200531.4M5.65M7.95M
201032.6M6.28M8.6M
201533.1M7.96M9.27M
202033.7M10.5M9.99M

Where does the data come from?

Number of people living in the capital city. European Commission, Joint Research Centre (JRC) (2025). Data published by Our World in Data under CC BY 4.0.

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