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35. Meerut, India
> Population density: 44,435 people per square mile
> Population: 2.8 million
> Built-up land area in city: 62 square miles
Source: tariq sulemani / iStock via Getty Images
34. Bahawalpur, Pakistan
> Population density: 44,517 people per square mile
> Population: 1.3 million
> Built-up land area in city: 29 square miles
24/7 Tempo
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33. Gwalior, India
> Population density: 45,128 people per square mile
> Population: 1.8 million
> Built-up land area in city: 39 square miles
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32. Dakar, Senegal
> Population density: 47,307 people per square mile
> Population: 3.5 million
> Built-up land area in city: 75 square miles
Source: CddharthSingh / Getty Images
31. Kanpur, India
> Population density: 47,420 people per square mile
> Population: 3.8 million
> Built-up land area in city: 81 square miles
