This Is the Most Densely Populated City in the World

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20. Aligarh, India
> Population density: 54,368 people per square mile
> Population: 2.1 million
> Built-up land area in city: 38 square miles

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19. Ahmadabad, India
> Population density: 55,518 people per square mile
> Population: 7.7 million
> Built-up land area in city: 139 square miles

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18. Patna, India
> Population density: 55,983 people per square mile
> Population: 3.2 million
> Built-up land area in city: 58 square miles

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17. Mumbai, India
> Population density: 57,033 people per square mile
> Population: 22.2 million
> Built-up land area in city: 389 square miles

Source: By Faris knight - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=34986720 / Wikimedia Commons

16. Al-Mahallah, Egypt
> Population density: 57,857 people per square mile
> Population: 810,000
> Built-up land area in city: 14 square miles