The World’s 31 Mega-Cities

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New York City, New York

10. New York-Newark, USA
>2016 population: 18,604,000
>Annual growth since 2000: 0.3%
>Pct. of USA’s population: 5.7%
>2030 estimated population: 19,885,000

Cairo, Egypt

9. Al-Qahirah (Cairo), Egypt
>2016 population: 19,128,000
>Annual growth since 2000: 2.1%
>Pct. of Egypt’s population: 22.2%
>2030 estimated population: 24,502,000

Osaka, Japan

8. Kinki M.M.A. (Osaka), Japan
>2016 population: 20,337,000
>Annual growth since 2000: 0.5%
>Pct. of Japan’s population: 16.1%
>2030 estimated population: 19,976,000

Scenic view at Basilica of Guadalupe with Mexico city skyline

7. Ciudad de México (Mexico City), Mexico
>2016 population: 21,157,000
>Annual growth since 2000: 0.9%
>Pct. of Mexico’s population: 16.7%
>2030 estimated population: 23,865,000

Beijing, China

6. Beijing, China
>2016 population: 21,240,000
>Annual growth since 2000: 4.6%
>Pct. of China’s population: 1.5%
>2030 estimated population: 27,706,000