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17 Most Densely Populated Places on Earth

10. Ap Lei Chau, Island, Hong Kong

Ap Lei Chau, Island, Hong Kong-Most Densely Populated Places on Earth

Area: 1.32 km2 (0.51 sq mi)

Population: 86,782

Population density: 66,755 people / km² (172,900 people / sq mi)

9. Tondo district, Manila, Philippines

Tondo district, Manila, Philippines-Most Densely Populated Places on Earth

Area: 9.10 km² (3.52 sq mi)

Population: 630,604

Population density: 69,297 per km² (179,470 per sq mi)

8. Mathare slums, Nairobi, Kenya

Mathare slums, Nairobi, Kenya-Most Densely Populated Places on Earth

Area: about 3 km2 (1.2 sq mi)

Population: 161,031-300,000

Population density: hard to estimate, probably something between 60,000-100,000/km2 (155,000-259,000/sq mi).

7. Kibera, Nairobi, Kenya

Kibera, Nairobi, Kenya-Most Densely Populated Places on Earth

Area: 2.3-2.5 km2 (0.8 – 1 sq mi)

Population: 170,070-260,000

Population density: hard to estimate, something between 74,000 – 114,000/km2 (192,000 – 295,000/ sq mi)


6. Rocinha favela, Rio de Janeiro, Brazil

Rocinha favela, Rio de Janeiro, Brazil-Most Densely Populated Places on Earth

Area: 0.86 km² (0.33 sq mi)

Population: 69,356

Population density: +80,000 /km2 (207,000/sq mi)

5. Dhaka Kotwali Thana, Dhaka, Bangladesh

Dhaka Kotwali Thana, Dhaka, Bangladesh-Most Densely Populated Places on Earth

Area: 2.07 km2 (0.80 sq mi)

Population: 210,504

Population density: 101,693/km2 (263,380/sq mi)

4. Santa Cruz del Islote, Island, Colombia

Santa Cruz del Islote, Island, Colombia-Most Densely Populated Places on Earth

Area: 0.012 km2 (0.005 sq mi)

Population: 1,200

Population density: 103,917/km2 (269,000/sq mi)


3. Marine Lines, Mumbai, India

Marine Lines, Mumbai, India-Most Densely Populated Places on Earth

Area: 1.8km2 (0.7 sq mi)

Population: 202,922

Population density: 114,001/km2 (295,000/sq mi)

2. Mong Kok, Kowloon Peninsula, Hong Kong

Mong Kok, Kowloon peninsula, Hong Kong-Most Densely Populated Places on Earth

According to the Guinness Book of Records Mong kok is the most densely populated place in the world (although using unconfirmed estimates, there are probably even more crowded places

Area: 1.1km2 (0.4 sq mi)

Population: 143,000

Population density: 130,000/km2

1. Dharavi slums, Mumbai, India

Dharavi slums, Mumbai, India-Most Densely Populated Places on Earth

Area: 1.7-2,2 km2 (175-220 hectares)

Population: 500,000-1,000,000

Population density: around 300,000/ km2 (777,000 / sq mi).

Dharavi is probably the most densely populated spot in the world.

Bonus: Kowloon Walled City, Hong Kong

Kowloon Walled City-Most Densely Populated Places on Earth

Up until it was demolished in 1993, the most crowded place on earth was Kowloon Walled City. It is estimated that it had a population density of up to 1.2 million per square kilometer.


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  • the most densely city in the world and no one wants to talk about it is the ship “Oasis of the Seas”: on 2.7 Hectares there are 8 500 people with no way to escape! that is a density of 314 000 people for ONE square kilometer! And on 18 levels! Imagine a fire!

  • In Europe most density town is BUDAPEST, District 7 (Elisabethtown) with 2.09 km2 and its population 64767 persons.

  • In lebanon, beddawi refugee camp, with no infra structure, worst life conditions, people deprived from theor right to work, area is 1 km2, with 45000 refugees, imagine the number with the life conditions this descrimination country is improving for them.

  • At point 11. the area is certainly wrong. 0.002 square kilometers equals 20 square meters or 4×5 meters and 131 people. No room left for air.
    From the photo I guess at least 80×60 meters, that equals 0.48 square kilometers.

    • Sorry i made a mistake counting 100×100 m for one sq km. So 1 sq km equals 1000×1000=1.000.000 sq meters, so 0.002 sq km equals 2000 sq meters or 100×200 meters.
      Please disregard this and my previous post.

      • 2000 sq meters equals around 50×40 meters, or 15.2 sq meters for each inhabitant (at average, even less, because there is “unused” surface: the road network and the harbor).

  • the most density populated in earth, in my opinion, is a building ( actully 8 buildings ) in a urban area located in south Hanoi, Vietnam. It has a esimated population is about 36,000 to 40,000, in an area of about 0.0508 sq.kilometers so it is estimated that it had a population density of up to 708,000 to 787,000 per square kilometer.

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