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25 Most Populated Cities by Future Years

For each quarter century in the future, try to guess the top 25 most populated cities.
Based on projected growth from the Global Cities Institute
Quiz by Quizzer6794
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Last updated: June 15, 2019
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First submittedJune 14, 2019
Times taken1,326
Average score66.7%
Rating4.31
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2025
36.4 mil
Tokyo
26.4 mil
Mumbai
22.5 mil
Delhi
22.0 mil
Dhaka
21.4 mil
São Paulo
21.0 mil
Mexico City
20.6 mil
New York City
20.6 mil
Kolkata
19.4 mil
Shanghai
19.1 mil
Karachi
16.8 mil
Kinshasa
15.8 mil
Lagos
15.6 mil
Cairo
14.8 mil
Manila
14.6 mil
Beijing
13.8 mil
Buenos Aires
13.7 mil
Los Angeles
13.4 mil
Rio de Janeiro
12.3 mil
Jakarta
12.1 mil
Istanbul
11.8 mil
Guangzhou
11.3 mil
Osaka
11.3 mil
Moscow
10.5 mil
Lahore
10.2 mil
Shenzhen
2050
42.4 mil
Mumbai
36.2 mil
Delhi
36.2 mil
Dhaka
35.0 mil
Kinshasa
33.0 mil
Kolkata
32.6 mil
Lagos
32.6 mil
Tokyo
31.7 mil
Karachi
24.8 mil
New York City
24.3 mil
Mexico City
24.0 mil
Cairo
23.6 mil
Manila
22.8 mil
São Paulo
21.3 mil
Shanghai
17.5 mil
Lahore
17.1 mil
Kabul
16.4 mil
Los Angeles
16.2 mil
Chennai
16.0 mil
Khartoum
16.0 mil
Dar es Salaam
16.0 mil
Beijing
15.9 mil
Jakarta
15.6 mil
Bangalore
15.6 mil
Buenos Aires
15.1 mil
Baghdad
2075
58.4 mil
Kinshasa
57.9 mil
Mumbai
57.2 mil
Lagos
49.3 mil
Delhi
45.0 mil
Kolkata
43.3 mil
Karachi
42.5 mil
Dhaka
37.5 mil
Dar es Salaam
33.0 mil
Cairo
32.8 mil
Manila
32.7 mil
Kabul
30.7 mil
Khartoum
28.9 mil
Tokyo
28.4 mil
Nairobi
27.9 mil
New York City
24.4 mil
Baghdad
24.2 mil
Mexico City
23.9 mil
Lahore
23.8 mil
Addis Ababa
22.2 mil
Chennai
21.3 mil
Bangalore
21.3 mil
São Paulo
21.0 mil
Shanghai
12.3 mil
Niamey
12.2 mil
Kampala
2100
88.3 mil
Lagos
83.5 mil
Kinshasa
73.7 mil
Dar es Salaam
67.2 mil
Mumbai
57.3 mil
Delhi
56.6 mil
Khartoum
56.2 mil
Niamey
54.3 mil
Dhaka
52.4 mil
Kolkata
50.3 mil
Kabul
49.1 mil
Karachi
46.7 mil
Nairobi
41.4 mil
Lilongwe
40.9 mil
Blantyre
40.5 mil
Cairo
40.1 mil
Kampala
40.0 mil
Manila
37.7 mil
Lusaka
36.4 mil
Mogadishu
35.8 mil
Addis Ababa
34.1 mil
Baghdad
30.2 mil
New York City
28.8 mil
N'Djamena
28.3 mil
Kano
27.2 mil
Sana'a
Lucknowite
+2
Level 42
Jun 14, 2019
Great quiz! Quite interesting to see the top most populated cities today don't even make the list in 2100.
Denfisksson
+2
Level 53
Jun 15, 2019
There are two "Kampala" in the 2100 column.

Great quiz!

Quizzer6794
+2
Level 65
Jun 15, 2019
Fixed and thanks to both of you!
Grapefruit74
+1
Level 28
Jul 22, 2019
Nice quiz!
Quizzer6794
+1
Level 65
Jul 22, 2019
Thanks :)
Homopetteri
+2
Level 52
Oct 4, 2023
So between 2075-2100 Niamey will gain almost 44 million inhabitants? Seems... unlikely
ooftownroad
+1
Level 61
Oct 5, 2023
you underestimate nigerien fertility
Dollyfroggy
+3
Level 60
Oct 4, 2023
I think this quiz uses a different source than most because it includes Shenzhen, which JetPunk usually has with Guangzhou. Liked the quiz, only missed the two least guessed and the capital of Kenya (even guessed Mombasa).
ooftownroad
+1
Level 61
Oct 5, 2023
What about Guangzhou?
deebte
+1
Level 64
Apr 9, 2024
what were they smoking when they ran these statistics, were they just using basic exponential equations to say for example niamey would nearly quintuple in population in 25 years. cities don't work like that, there's a lot that goes into its growth and decline. birth rates in the developing world are continuing to drop so the growth will greatly slow down, some of them are just undergoing short booms right now, some of them will hit geographic constraints and have trouble building up, some of these numbers are outrageous
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