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Five Biggest Non-Capital Cities by Continent

For each continent, what are the five most populated cities that are NOT the capital of their country?
Using urban areas from citypopulation.de (2019) and Wikipedia (2017)
Quiz by
Quizzer6794
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Last updated: July 21, 2019
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First submittedJuly 20, 2019
Times taken6,976
Average score70.0%
Rating4.67
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Africa
18.8 mil
Lagos
13.7 mil
Johannesburg
6.15 mil
Dar es Salaam
5.70 mil
Alexandria
5.45 mil
Abidjan
 
 
Asia
45.6 mil
Guangzhou
35.9 mil
Shanghai
24.7 mil
Mumbai
17.7 mil
Osaka
17.3 mil
Karachi
Europe
10.3 mil
Istanbul
5.60 mil
Saint Petersburg
5.20 mil
Milan
5.00 mil
Cologne
4.73 mil
Barcelona
 
 
North America
22.4 mil
New York City
17.8 mil
Los Angeles
9.75 mil
Chicago
7.85 mil
San Francisco
7.65 mil
Boston
Oceania
5.20 mil
Sydney
4.85 mil
Melbourne
3.08 mil
Brisbane
2.05 mil
Perth
1.49 mil
Auckland
 
 
South America
22.2 mil
Sao Paulo
13.1 mil
Rio de Janeiro
4.98 mil
Belo Horizonte
4.10 mil
Porto Alegre
3.95 mil
Medellin
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24 Comments
+3
Level 28
Jul 20, 2019
Great quiz, but Berlin is a capital.
+1
Level 66
Jul 20, 2019
Thanks, fixed
+1
Level 52
Jul 22, 2019
Dar es Salaam is also a capital.
+15
Level 66
Jul 22, 2019
The capital of Tanzania is actually Dodoma.
+3
Level 71
Jul 1, 2025
0% research, 100% accusation
+8
Level 40
Jul 21, 2019
I tried for Lagos but it filled it for LA, not a problem. Great quiz.
+1
Level 28
Feb 16, 2020
Same
+1
Level 85
Jul 21, 2019
Great quiz! Should Istanbul be included? (Europe)
+3
Level 66
Jul 21, 2019
I wasn't sure whether to include it, but after looking it to it I've included the 65% of the full city's population. Thanks to both of you!
+1
Level 81
Jul 21, 2019
Great idea for a quiz
+1
Level 66
Jul 21, 2019
Thank you :)
+3
Level 15
Jan 11, 2020
I'm afraid Boston is wrong. It has only about 700,000 people. 7.65 million is more than all of Massachusetts!
+6
Level 66
Jan 11, 2020
This quiz uses urban areas.
+1
Level 63
Jul 2, 2025
Uhh yeah but the population of Massachusetts is 7.1 mil, and I'm pretty sure that Boston isn't in multiple states
+9
Level 46
Jan 31, 2020
Cologne is wrong, it has only about 1 million inhabitants.

If you want to count it as the rhine-ruhr area, name it like that!

+1
Level 28
Feb 16, 2020
I’m pretty sure Adelaide is larger than Auckland
+2
Level 66
Feb 16, 2020
Auckland has roughly 100k more people.
+11
Level 65
Sep 29, 2021
Whoever put 5 million people into the urban area of Cologne should really rethink their definition of an urban area.
+2
Level 90
Jul 25, 2023
Don't think the definition of Cologne works. Number for Istanbul looks a bit small.
+2
Level 88
Apr 4, 2025
It only counts the people who live on the European side.
+4
Level 72
Apr 4, 2025
Surprised this got a spotlight considering that this quiz was last updated 6 years ago!
+4
Level 87
Apr 4, 2025
I'm not used to having to type Cologne. It's usually already given as the "Ruhr Area".
+3
Level 57
Apr 10, 2025
Cologne isn't part of the Ruhr Area, it's part of the "Cologne-Düsseldorf" Agglomeration and the latter was apparently larger than the Ruhr Area when this quiz was made.

This year both these areas merged into the "Rhine-Ruhr" on citypopulation, making it a mega city!

+3
Level 57
Apr 10, 2025
Great quiz, needs an update though