The World’s 31 Mega-Cities

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Christ, The Redeemer in Rio de Janeiro

20. Rio de Janeiro, Brazil
>2016 population: 12,981,000
>Annual growth since 2000: 0.9%
>Pct. of Brazil’s population: 6.3%
>2030 estimated population: 14,174,000

Guangzhou, China

19. Guangzhou, Guangdong, China
>2016 population: 13,070,000
>Annual growth since 2000: 3.6%
>Pct. of China’s population: 0.9%
>2030 estimated population: 17,574,000

Manila, Philippines

18. Manila, Philippines
>2016 population: 13,131,000
>Annual growth since 2000: 1.7%
>Pct. of Philippines’ population: 12.7%
>2030 estimated population: 16,756,000

Lagos, Nigeria

17. Lagos, Nigeria
>2016 population: 13,661,000
>Annual growth since 2000: 3.9%
>Pct. of Nigeria’s population: 7.2%
>2030 estimated population: 24,239,000

Chongqing, China

16. Chongqing, China
>2016 population: 13,744,000
>Annual growth since 2000: 3.5%
>Pct. of China’s population: 1.0%
>2030 estimated population: 17,380,000