15. Varanasi, India
> Population density: 58,701 people per square mile
> Population: 3.9 million
> Built-up land area in city: 67 square miles
14. Malegaon, India
> Population density: 60,083 people per square mile
> Population: 721,000
> Built-up land area in city: 12 square miles
13. Chittagong, Bangladesh
> Population density: 60,527 people per square mile
> Population: 4.5 million
> Built-up land area in city: 74 square miles
12. Muzaffarnagar, India
> Population density: 64,000 people per square mile
> Population: 704,000
> Built-up land area in city: 11 square miles
11. Allahabad, India
> Population density: 64,362 people per square mile
> Population: 3.0 million
> Built-up land area in city: 47 square miles