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UN WUP 2025

Largest cities in the world

Ranked by 2025 population. A city here is one contiguous urban area as the UN measures it — Tokyo is the whole built-up area, not the 23 wards. Every city page: population from 1975 to 2050, density, local time, live weather, airports and metro.

cities counted by the UN
12,138
megacities (10M+)
33
cities of 1M+
511
live in the top 100
1,041.3 million

Tbilisi ranks #571 among the world's cities, with 907,000 people. Tbilisi on Sivrce

The 100 largest cities, 2025

#CityCountry20252050 (projected)Change
1JakartaIndonesia41.9 million51.8 million+23.5%
2DhakaBangladesh36.6 million52.1 million+42.5%
3TokyoJapan33.4 million30.7 million−8.2%
4New DelhiIndia30.2 million33.9 million+12.1%
5ShanghaiChina29.6 million34.9 million+18.1%
6GuangzhouChina27.6 million29.2 million+6.1%
7CairoEgypt25.6 million32.4 million+26.6%
8ManilaPhilippines24.7 million27.1 million+9.6%
9KolkataIndia22.6 million23.8 million+5.4%
10SeoulSouth Korea22.5 million21.2 million−5.6%
11KarachiPakistan21.4 million32.6 million+52.1%
12MumbaiIndia20.2 million23.1 million+14.1%
13São PauloBrazil19 million18.2 million−3.9%
14BangkokThailand18.2 million20.5 million+12.6%
15Mexico CityMexico17.7 million17.7 million−0.3%
16BeijingChina17 million18 million+5.8%
17LahorePakistan15.2 million20.4 million+34.5%
18IstanbulTurkey15 million16.3 million+8.6%
19MoscowRussia14.5 million15.5 million+6.9%
20Ho Chi Minh CityVietnam14.1 million17.2 million+22.4%
21Buenos AiresArgentina14 million14.2 million+1.6%
22New York CityUnited States13.9 million13.2 million−5%
23ShenzhenChina13.9 million14.7 million+5.6%
24BengaluruIndia13.2 million14.3 million+8.1%
25OsakaJapan13 million10.4 million−19.4%
26LagosNigeria12.8 million16.2 million+26.5%
27Los AngelesUnited States12.7 million13.9 million+8.8%
28LuandaAngola11.4 million20.3 million+78.4%
29ChennaiIndia11.2 million11.8 million+5.4%
30KinshasaDemocratic Republic of the Congo10.9 million13.2 million+20.7%
31BogotáColombia10.6 million12.5 million+17.5%
32LimaPeru10.6 million12.4 million+16.8%
33LondonUnited Kingdom10.4 million11.9 million+13.9%
34HajipurIndia9.9 million13.7 million+37.7%
35Rio de JaneiroBrazil9.5 million9.3 million−2.1%
36ParisFrance9.4 million9.3 million−0.6%
37HyderabadIndia9.2 million9.5 million+3.9%
38TehranIran9.2 million9.5 million+3.5%
39TaipeiTaiwan9.1 million8.2 million−10.5%
40BandungIndonesia8.9 million9.7 million+9.4%
41Kuala LumpurMalaysia8.4 million10.6 million+25.9%
42Dar es SalaamTanzania7.8 million13.2 million+68.8%
43SuzhouChina7.7 million7.6 million−1.2%
44AhmedabadIndia7.6 million8.2 million+7.9%
45HangzhouChina7.5 million9.6 million+28.3%
46WuhanChina7.4 million6.2 million−16.4%
47TianjinChina7.3 million7.6 million+4.9%
48AlexandriaEgypt7.3 million9 million+24.2%
49NagoyaJapan7.1 million6.3 million−11.9%
50JohannesburgSouth Africa7.1 million8.9 million+26%
51ChongqingChina7.1 million6.1 million−14%
52RiyadhSaudi Arabia6.9 million9.2 million+32.3%
53SuratIndia6.9 million8 million+16.5%
54SurabayaIndonesia6.8 million6.3 million−7.3%
55PuneIndia6.8 million7.7 million+13.6%
56KhartoumSudan6.8 million9.4 million+38.7%
57NanjingChina6.8 million6.3 million−7.1%
58SantiagoChile6.7 million6.9 million+3%
59Addis AbabaEthiopia6.7 million10.8 million+60.8%
60AbidjanCote d'Ivoire6.6 million9.8 million+47.6%
61ChaozhouChina6.4 million6.8 million+6.7%
62AmmanJordan6.4 million8.4 million+31.1%
63BaghdadIraq6.4 million7.5 million+16.8%
64ChengduChina6.1 million5.2 million−15%
65NairobiKenya6.1 million8.5 million+38.8%
66KozhikodeIndia6.1 million7.1 million+16%
67ShenyangChina5.7 million5.1 million−11.4%
68KabulAfghanistan5.6 million8 million+42%
69OnitshaNigeria5.6 million8.7 million+54.2%
70YangonMyanmar5.6 million6.1 million+7.7%
71AccraGhana5.6 million7.2 million+29.3%
72MadridSpain5.6 million5.6 million+0.1%
73FaisalabadPakistan5.6 million7.3 million+31.4%
74TorontoCanada5.5 million6.2 million+12.3%
75MashhadIran5.4 million5.7 million+5%
76DubaiUnited Arab Emirates5.3 million6.9 million+29.7%
77Xi'anChina5.2 million4.7 million−9.3%
78ColomboSri Lanka5.2 million5.8 million+11.3%
79YaoundéCameroon5.1 million8.7 million+69.6%
80KochiIndia5.1 million5.8 million+15.1%
81HanoiVietnam5.1 million4.8 million−5.5%
82LucknowIndia5.1 million5.7 million+12.6%
83ChattogramBangladesh5 million5.9 million+19.1%
84SingaporeSingapore5 million5.1 million+3.3%
85KampalaUganda4.9 million7.9 million+61.7%
86ZhengzhouChina4.9 million4.4 million−9%
87HefeiChina4.9 million4.5 million−7.8%
88IslāmābādPakistan4.9 million6.7 million+37.4%
89KanoNigeria4.8 million6.4 million+31.4%
90Hong KongHong Kong4.8 million3.9 million−17.3%
91Saint PetersburgRussia4.7 million4.7 million−1%
92Santo DomingoDominican Republic4.6 million5.3 million+14.4%
93Cape TownSouth Africa4.5 million6.1 million+35.9%
94CasablancaMorocco4.5 million5 million+11.9%
95MogadishuSomalia4.4 million7.2 million+63.6%
96HarbinChina4.4 million4.1 million−5.4%
97KanpurIndia4.3 million4.6 million+7.1%
98KumasiGhana4.3 million5.4 million+26.8%
99DamascusSyria4.3 million6.3 million+47.8%
100JeddahSaudi Arabia4.3 million5.8 million+35%

The 10 largest cities in 2050 (projected)

  1. #1Dhaka52.1 million
  2. #2Jakarta51.8 million
  3. #3Shanghai34.9 million
  4. #4New Delhi33.9 million
  5. #5Karachi32.6 million
  6. #6Cairo32.4 million
  7. #7Tokyo30.7 million
  8. #8Guangzhou29.2 million
  9. #9Manila27.1 million
  10. #10Kolkata23.8 million

Cities by country

FAQ

What is the largest city in the world?

Jakarta, Indonesia, with 41.9 million people in 2025 according to the UN World Urbanization Prospects 2025.

How many megacities are there?

33 cities have 10 million people or more in 2025.

Which city will be the largest in 2050?

Dhaka, with about 52.1 million people, according to the UN projection.

How does the UN define a city?

A city is a contiguous area with at least 1,500 people per km² and at least 50,000 people in total, measured on a 1 km² grid from satellite data — one method for every country.

Source: United Nations, World Urbanization Prospects 2025 (CC BY 3.0 IGO). 2030–2050 are projections.