03/09/2026
THE MOST DENSELY POPULATED CITIES IN THE WORLD
* Human and physical factors influence population density; they both influence the growth and change of an area.
* Cities with a high population density are found all across the world; the three most densely populated cities in the world are Manila, Pateros, and Mandaluyong. All three are cities in the Philippines.
* Densely populated locations have both positive and negative attributes. One of the main challenges of overcrowding is the problems it presents to governments and policymakers.
Population density is defined by the number of people living in each unit of area. It can be used as a statistic to show how many people live in that specific area.
For example, Monaco, a principality located on France’s Mediterranean coast, is 2.02 square kilometers in size and has around 26,000 people per square kilometer. When comparing this information to other countries' statistics, it tells us that Monaco is the world’s most densely populated place.
Coming to the world's most populated cities (city proper), Manila, Pateros, and Mandaluyong, all these cities in the Philippines in Southeast Asia, occupy the top three spots. What makes these Philippine cities so packed with people and which are the other densely populated cities of the world?
The article attempts to answer these questions. But first, it is important to know about the factors that influence population density.
Factors Influencing Population Density
Human and physical factors influence population density; they both influence the growth and change of an area.
Human factors that influence population density include political, economic, and social issues. These are sometimes referred to as push or pull factors. Places with high political unrest (a push factor), such as Afghanistan, have a low population density as many people migrate.
Economic factors such as employment opportunities (a pull factor) can also influence migration and population density. For example, when Poland joined the European Union in 2004, many workers migrated to the United Kingdom for an abundance of openings and better wages.
Physical factors that influence population density relate to the environment and include climate, water supply and relief of the land. An area that is mountainous usually has a low population density as it is difficult to build infrastructure whereas coastal regions enable good transportation links which encourage trading opportunities, creates employment, and ultimately allows for a population to thrive.
Cities With The Highest Population Density In The World
Rank City Population (City proper) Area (sq. km) Area (sq. mi) Population density (/sq. km) Population density (/sq. mi) Country
1. Manila
Population - 1,780,148
Area (sq. km) - 42.88
Area (sq. mi) - 16.56
Population density (/sq. km) - 46,178
Population density (/sq. mi) - 119,600
Country - Philippines
2. Pateros
Population - 63,840
Area (sq. km) - 1.76
Area (sq. mi) - 0.68
Population density (/sq. km) - 36,447
Population density (/sq. mi) - 94,400
Country - Philippines
3. Mandaluyong
Population - 386,276
Area (sq. km) - 11.06
Area (sq. mi) - 4.27
Population density (/sq. km) - 34,925
Population density (/sq. mi) - 90,460
Country - Philippines
4. Baghdad
Population - 6,719,500
Area (sq. km) - 204.4
Area (sq. mi) - 78.9
Population density (/sq. km) - 32,874
Population density (/sq. mi) - 85,140
Country - Iraq
5. Mumbai
Population - 12,478,447
Area (sq. km) - 603
Area (sq. mi) - 233
Population density (/sq. km) - 32,303
Population density (/sq. mi) - 83,660
Country - India
6. Dhaka
Population - 8,906,136
Area (sq. km) - 306.38
Area (sq. mi) - 118.29
Population density (/sq. km) - 29,069
Population density (/sq. mi) - 75,290
Country - Bangladesh
7. Caloocan
Population - 1,583,978
Area (sq. km) - 53.20
Area (sq. mi) - 20.54
Population density (/sq. km) - 27,989
Population density (/sq. mi) - 72,490
Country - Philippines
8. Port-au-Prince
Population - 987,310
Area (sq. km) - 36.04
Area (sq. mi) - 13.92
Population density (/sq. km) - 27,395
Population density (/sq. mi) - 70,950
Country - Haiti
9. Bnei Brak
Population - 208,000
Area (sq. km) - 7.088
Area (sq. mi) - 2.737
Population density (/sq. km) - 27,338
Population density (/sq. mi) - 70,810
Country - Israel
10. Levallois-Perret
Population - 64,379
Area (sq. km) - 2.41
Area (sq. mi) - 0.93
Population density (/sq. km) - 26,713
Population density (/sq. mi) - 69,190
Country - France
11. Vincennes
Population - 49,891
Area (sq. km) - 1.91
Area (sq. mi) - 0.74
Population density (/sq. km) - 26,121
Population density (/sq. mi) - 67,650
Country - France
12. Le Pré-Saint-Gervais
Population - 17,950
Area (sq. km) - 0.70
Area (sq. mi) - 0.27
Population density (/sq. km) - 25,643
Population density (/sq. mi) - 66,420
Country - France
13. Karachi
Population - 14,910,352
Area (sq. km) - 591
Area (sq. mi) - 228
Population density (/sq. km) - 25,229
Population density (/sq. mi) - 65,340
Country - Pakistan
14. Saint-Mandé 22,619 0.92 0.36 24,586 63,680 France
Population - 22,619
Area (sq. km) - 0.92
Area (sq. mi) - 0.36
Population density (/sq. km) - 24,586
Population density (/sq. mi) - 63,680
Country - France
15. Makati
Population - 582,602
Area (sq. km) - 21.73
Area (sq. mi) - 8.39
Population density (/sq. km) - 24,346
Population density (/sq. mi) - 63,060
Country - Philippines
16. Kolkata
Population - 4,496,694
Area (sq. km) - 185
Area (sq. mi) - 71
Population density (/sq. km) - 24,306
Population density (/sq. mi) - 62,950
Country - India
17. Montrouge
Population - 50,260
Area (sq. km) - 2.07
Area (sq. mi) - 0.80
Population density (/sq. km) - 24,280
Population density (/sq. mi) - 62,900
Country - France
18. Sint-Joost-ten-Node 27,548 1.14 0.44 24,165 62,590 Belgium
Population - 27,548
Area (sq. km) - 1.14
Area (sq. mi) - 0.44
Population density (/sq. km) 24,165
Population density (/sq. mi) - 62,590
Country - Belgium
19. Kathmandu
Population - 1,183,000
Area (sq. km) - 49.45
Area (sq. mi) - 19.09
Population density (/sq. km) - 23,923
Population density (/sq. mi) - 61,960
Country - Nepal
20. Subang Jaya
Population - 1,683,589
Area (sq. km) - 70.41
Area (sq. mi) - 27.19
Population density (/sq. km) - 23,911
Population density (/sq. mi) - 61,930
Country - Malaysia
21. Neapoli, Thessaloniki
Population - 27,084
Area (sq. km) - 1.17
Area (sq. mi) - 0.45
Population density (/sq. km) - 23,149
Population density (/sq. mi) - 59,960
Country - Greece
22. Malé
Population - 133,412
Area (sq. km) - 5.8
Area (sq. mi) - 2.2
Population density (/sq. km) - 23,002
Population density (/sq. mi) - 59,570
Country - Maldives
23. Guttenberg, New Jersey
Population - 11,481
Area (sq. km) - 0.51
Area (sq. mi) - 0.196
Population density (/sq. km) - 22,645
Population density (/sq. mi) - 58,650
Country - United States
24. Damascus
Population - 1,711,000
Area (sq. km) - 77
Area (sq. mi) - 30
Population density (/sq. km) - 22,221
Population density (/sq. mi) - 57,550
Country - Syria
25. Malabon
Population - 365,525
Area (sq. km) - 15.96
Area (sq. mi) - 6.16
Population density (/sq. km) - 22,139
Population density (/sq. mi) - 57,340
Country - Philippines
26. Navotas
Population - 249,463
Area (sq. km) - 11.51
Area (sq. mi) - 29.8
Population density (/sq. km) - 21,674
Population density (/sq. mi) - 56,140
Country - Philippines
27. Asmara
Population - 963,000
Area (sq. km) - 45
Area (sq. mi) - 17
Population density (/sq. km) - 21,400
Population density (/sq. mi) - 55,000
Country - Eritrea
28. Pasig
Population - 755,300
Area (sq. km) - 31.46
Area (sq. mi) - 12.15
Population density (/sq. km) - 21,290
Population density (/sq. mi) - 55,100
Country - Philippines
29. Mislata
Population - 43,756
Area (sq. km) - 2.06
Area (sq. mi) - 0.80
Population density (/sq. km) - 21,241
Population density (/sq. mi) - 55,010
Country - Spain
30. Macau 643,100 30.3 11.7 21,224 54,970 Macau
Population - 643,100
Area (sq. km) - 30.3
Area (sq. mi) - 11.7
Population density (/sq. km) - 21,224
Population density (/sq. mi) - 54,970
Country - Macau
31. Pasay
Population - 416,522
Area (sq. km) - 18.64
Area (sq. mi) - 7.20
Population density (/sq. km) - 21,077
Population density (/sq. mi) - 54,590
Country - Philippines
32. Kallithea
Population - 100,050
Area (sq. km) - 4.75
Area (sq. mi) - 1.83
Population density (/sq. km) - 21,063
Population density (/sq. mi) - 54,550
Country - Greece
33. Nea Smyrni
Population - 73,090
Area (sq. km) - 3.52
Area (sq. mi) - 1.36
Population density (/sq. km) - 20,764
Population density (/sq. mi) - 53,780
Country - Greece
34. Paris
Population - 2,187,526
Area (sq. km) - 105.4
Area (sq. mi) - 40.7
Population density (/sq. km) - 20,755
Population density (/sq. mi) - 53,760
Country - France
35. Howrah
Population - 1,072,161
Area (sq. km) - 51.74
Area (sq. mi) - 19.98
Population density (/sq. km) - 20,722
Population density (/sq. mi) - 53,670
Country - India
36. San Juan, Metro Manila
Population - 122,180
Area (sq. km) - 5.87
Area (sq. mi) - 2.27
Population density (/sq. km) - 20,687
Population density (/sq. mi) - 53,580
Country - Philippines
37. Colombo
Population - 752,993
Area (sq. km) - 37
Area (sq. mi) - 14
Population density (/sq. km) - 20,351
Population density (/sq. mi) - 52,710
Country - Sri Lanka
38. L'Hospitalet de Llobregat
Population - 252,171
Area (sq. km) - 12.4
Area (sq. mi) - 4.8
Population density (/sq. km) - 20,336
Population density (/sq. mi) - 52,670
Country - Spain
39. Union City, New Jersey 66,455 3.3 1.28 20,017 51,840 United States
Population - 66,455
Area (sq. km) - 3.3
Area (sq. mi) - 1.28
Population density (/sq. km) - 20,017
Population density (/sq. mi) - 51,840
Country - United States
40. Delhi
Population - 2,658,525
Area (sq. km) - 133.3
Area (sq. mi) - 51.5
Population density (/sq. km) - 19,944
Population density (/sq. mi) - 51,650
Country - India
41. Marikina
Population - 450,741
Area (sq. km) - 22.64
Area (sq. mi) - 8.74
Population density (/sq. km) - 19,909
Population density (/sq. mi) - 51,560
Country - Philippines
42. Saint-Gilles
Population - 50,002
Area (sq. km) - 2.52
Area (sq. mi) - 0.97
Population density (/sq. km) - 19,842
Population density (/sq. mi) - 51,390
Country - Belgium
43. Clichy
Population - 61,070
Area (sq. km) - 3.08
Area (sq. mi) - 1.19
Population density (/sq. km) - 19,828
Population density (/sq. mi) - 51,350
Country - France
44. Courbevoie
Population - 81,719
Area (sq. km) - 4.17
Area (sq. mi) - 1.61
Population density (/sq. km) - 19,597
Population density (/sq. mi) - 50,760
Country - France
45. Boulogne-Billancourt
Population - 120,071
Area (sq. km) - 6.17
Area (sq. mi) - 2.38
Population density (/sq. km) - 19,460
Population density (/sq. mi) - 50,400
Country - France
46. West New York, New Jersey
Population - 49,708
Area (sq. km) - 2.61
Area (sq. mi) - 1.007
Population density (/sq. km) - 19,060
Population density (/sq. mi) - 49,400
Country - United States
47. Koekelberg
Population - 21,990
Area (sq. km) - 1.17
Area (sq. mi) - 0.45
Population density (/sq. km) - 18,795
Population density (/sq. mi) - 48,680
Country - Belgium
48. Bandung
Population - 3,075,478
Area (sq. km) - 167
Area (sq. mi) - 64
Population density (/sq. km) - 18,416
Population density (/sq. mi) - 47,700
Country - Indonesia
49. Las Piñas
Population - 588,894
Area (sq. km) - 32.02
Area (sq. mi) - 12.36
Population density (/sq. km) - 18,391
Population density (/sq. mi) - 47,630
Country - Philippines
50. Monaco
Population - 36,950
Area (sq. km) - 2.02
Area (sq. mi) - 0.78
Population density (/sq. km) - 18,292
Population density (/sq. mi) - 47,380
Country - Monaco