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Megacities on an Empty Map

Can you name the 49 urban agglomerations of the world that have a population of at least 10 million?
Population according to citypopulation.de, January 2026
Not counting the loosely-defined Rhine-Ruhr region
Quiz by
relessness
Featured Quiz
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Last updated: March 22, 2026
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First submittedNovember 18, 2016
Times taken118,533
Average score69.4%
Rating4.97
Quiz and answer stats >>
Shared scores >>
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Population
Agglomeration
73.6 m
Guangzhou /
Shenzhen
42.3 m
Shanghai
41.3 m
Tokyo
36.9 m
Delhi
29.8 m
Jakarta
28.1 m
Mumbai
27.1 m
Manila
25.6 m
Mexico City
25.4 m
Seoul
23.7 m
Dhaka
23.2 m
Cairo
22.7 m
São Paulo
22.6 m
New York
22.4 m
Bangkok
21.9 m
Lagos
21.8 m
Beijing
21.8 m
Karachi
Population
Agglomeration
19.1 m
Moscow
18.3 m
Chengdu
18.1 m
Kolkata
17.7 m
Osaka
17.4 m
Los Angeles
17.2 m
Tehran
17.0 m
Buenos Aires
16.9 m
Kinshasa
16.2 m
Istanbul
15.8 m
Xiamen
15.4 m
London
15.3 m
Bangalore
15.1 m
Johannesburg
15.0 m
Lahore
14.7 m
Hangzhou
14.7 m
Ho Chi Minh City
Population
Agglomeration
13.7 m
Xi'an
13.6 m
Rio de Janeiro
13.3 m
Chennai
13.2 m
Chongqing
12.9 m
Wuhan
12.2 m
Lima
12.1 m
Hyderabad
11.8 m
Tianjin
11.6 m
Changsha
11.6 m
Paris
10.8 m
Bogotá
10.5 m
Nagoya
10.5 m
Zhengzhou
10.4 m
Luanda
10.2 m
Ahmedabad
10.2 m
Taipei
Save Your Stats
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65 Comments
scambigol
+6
Level 80
Nov 20, 2016
nice!
Fresco3
+10
Level 70
Aug 27, 2019
Got them all!
SWATkun
+4
Level 59
Aug 27, 2019
Great quiz 👍
Wardo
+20
Level 89
Aug 27, 2019
creative idea with just dots on map. China cities always the toughest in any quiz.
blindcartographr
+6
Level 45
Nov 6, 2019
For once I got all of China, but missed two Indian ones and one in Pakistan. Also, great quiz!
Sifhraven
+8
Level 76
Aug 27, 2019
extremely high scores, most are above 80% and even the more obscure names are 50+
DanOfMan
+3
Level 44
Mar 4, 2020
I would say that's a product of people retaking the quiz.
MrBubbles
+22
Level 68
Apr 10, 2020
Jetpunk only counts the first try.
mnsmr
+1
Level 66
Apr 28, 2026
there are several other quizzes that ask basically the same thing which raises the average for all of them
mjb1484
+36
Level 69
Apr 20, 2020
I'd say it's more likely that most of the people taking this quiz have already taken plenty of "biggest cities" type quizes and already have a pretty good idea of which cities will be on here.

For my part, I don't know every location and exact population number for all the cities - especially in China and India - but after I get a few of the regular offenders, I can pretty much guess the less common ones.

Neodymium
+19
Level 63
Mar 15, 2023
The more specialised the quiz, the higher the average for a specific item. Pennsylvania will probably be higher guessed on the 13 Colonies Quiz than the 50 States Quiz and Morrocco on the Africa Quiz than COTW
elcampeador
+3
Level 77
Mar 15, 2022
I find people are quite good at rote memorization of largest cities/capital cities and so on. When it comes to quizzes that require other knowledge, the scores are much more reasonable.
Alexquiz17
+2
Level 95
Mar 22, 2026
It’s because it forms a picture in my mind. I can visualise the globe and work my way around it. Most topics don’t have this aspect to them.
Sifhraven
+1
Level 76
Jul 20, 2024
The scores aren't that high anymore, only a few above 80% (about 1/3 and they are the quite well know ones) currently most are under it. So things look pretty normal now.

And while it is true what mrbubbles said, only the first attempt is used for the stats, whenever a quiz gets reset it counts like it is your first attempt again. So people that have done it before, will probably do better with the next reset. (Though sometimes when you do a quiz years later, you have forgotten more than you have learned haha)

markthoma
+4
Level 72
Sep 1, 2019
This was easier than I thought -- I was expecting more Chinese cities but they weren't too bad on this quiz.
kiwiquizzer
+1
Level 68
Nov 20, 2019
Yuss! Got them all :-) Fun quiz, thanks.
Alexquiz17
+1
Level 95
Mar 22, 2026
Yuss? Can you say “six?”
SometimesHim
+1
Level 68
May 4, 2026
sioux of course
Jessrabbit
+1
Level 40
Nov 20, 2019
Shenzhen has 12 million people
flzubuduuz
+12
Level 69
Nov 20, 2019
I'm pretty sure they are accounted for in Guangzhou's metro area.
mf3
+2
Level 90
Feb 11, 2020
Yes, but in that case shouldn't you be able to type in Hong Kong or Shenzhen and get credited for Guangzhou?
Quizmaster
+9
Level ∞
Feb 11, 2020
Added Shenzhen to the type-ins. Hong Kong is not counted as part of the urban area.
luxint
+1
Level 67
Nov 20, 2019
Another great one from you. Thank you.
Sugarush55
+1
Level 67
Nov 20, 2019
Only 34? Am I missing something or was there a lot more? I checked Wikipedia, and it seemed to confirm this. Not sure what the reason for the discrepancy in the two sites is, but I destinctly remembered Harbin, Lima, Bogota, Xi'an, and a that there were more.
Quizmaster
+2
Level ∞
Nov 20, 2019
The quiz is accurate based on the source data.
bentshaggyoil
+1
Level 61
Sep 12, 2022
Lima is in the quiz
QayseriRum
+1
Level 65
Oct 31, 2023
Wasn't in 2019
payel123
+1
Level 37
Nov 21, 2019
The most annoying answers ever https://prnt.sc/q09w8q
Yoshimano
+7
Level 66
Nov 22, 2019
"with the help of an empty map" ...
Neodymium
+2
Level 63
Mar 15, 2023
It does show the placements relative to each other.
MetroidPrimeMeridian
+1
Level 50
Nov 27, 2019
I got 88% and I only beat 68% of y'all?

... Crap, good job guys

NITR0
+2
Level 58
Mar 11, 2021
I just assume the people doing this know them already the cities. Many wouldn't dare without knowing what to type, I know all of them just from practice on the one with the map
MrPi2002
+4
Level 77
Feb 12, 2020
It says something about the people taking these quizzes when 55.4% get 100%. I doubt that most people (outside China) can name cities like Xiamen and Tianjin. Also, some of the Indian/Japanese cities are probably unknown to most people.
Pacybwoah
+16
Level 61
Feb 15, 2020
The problem is this quiz isn't for "normal people". Most of us taking the quiz are geography nerds so we know the cities already.
Pacybwoah
+2
Level 61
Feb 15, 2020
Btw I don't think Nagoya or Osaka is not known, well, especially Osaka.
AbhishekNS
+3
Level 59
Nov 26, 2020
Osaka is a famous city. Just like Manchester in UK.
kitsims
+5
Level 86
Mar 15, 2023
....I'm struggling to see the connection between Osaka and Manchester.
Neodymium
+3
Level 63
Mar 15, 2023
I guess it's like:

Both are big cities

Both are somewhat well known

Neither are the capital

Neodymium
+2
Level 63
Mar 15, 2023
The double negative means he does think Osaka and Nagoya are famous. Also only 33% get 100%
Newroadgirl
+1
Level 69
Apr 28, 2026
It surely depends on where you live and your experience. I'd suggest Brits would know most of the Indian cities as we are familiar with Indian culture and most of us townies have friends of Indian heritage.
SouthKorea
+2
Level 48
Sep 26, 2021
Please remove Seoul. Its population dropped under ten million. I've seen that Seoul has 25 million population in some quizzes but I cannot understand. It only has 9 million.
AlmostAGenius
+5
Level 89
Mar 15, 2023
It’s urban area, not city proper. Almost none of these cities would make the list if it were city proper.
Neodymium
+2
Level 63
Mar 15, 2023
45 in 3:09. It's cool to know half a billion people live in these places. or 1/16 of the world population.
SpartanLlama
+1
Level 79
May 14, 2023
Wow true
alex35
+2
Level 23
Mar 19, 2023
I FORGOT DHAKA!?!?
slimpasty
+5
Level 65
May 14, 2023
If you are ever struggling to get all answers right on this quiz, type in Changsha. 85% of people who get Changsha get a perfect score
SpartanLlama
+2
Level 79
May 14, 2023
Missed Chongqing, Hangzhou, and Changsha, the 3 lowest ones
HyddenRizz
+2
Level 67
May 15, 2023
I think Hangzhou and Changsha are new megacities. Don't remember them in the previous versions.
Geopro
+1
Level 59
May 24, 2023
All three of those are new
Dollyfroggy
+4
Level 63
May 16, 2023
Could this be updated to include Harbin? Harbin has reached 10,009,854 people on citypopulation.de.
Boukou
+1
Level 69
Nov 20, 2023
As many as Greece. Nice. This went well
cuendillar
+1
Level 72
Mar 24, 2026
That's just the administrative border figure. The urban area is roughly half of that on a twentieth of the area. Chinese "prefecture-level cities" tend to include massive amounts of rural countryside and aren't really comparable to city concepts elsewhere.
Zefyrinus
+3
Level 74
Jun 5, 2023
"Time used: 7:00 minutes" (out of 7). Phew, that was the closest I've ever come when finishing a quiz.
orange3472
+1
Level 72
Jan 15, 2025
And here I thought I was close with 6:59
RJG
+1
Level 63
Oct 13, 2024
45/45 but wasn't as easy as i thought it would be.
Nitrogen366
+1
Level 49
Dec 6, 2024
43/45. Missed Ho Chi Minh and Nagoya.
eurotec
+1
Level 56
Mar 19, 2025
Nice. 36/45 on the first attempt.
bessbdow
+1
Level 64
Aug 26, 2025
would be fun to update this for 2025! awesome quiz :)
Underdasher
+1
Level 44
Dec 11, 2025
Got all, but missed four Indian cities.

My roots are from Hunan Province in China, so I got Changsha

Fomalhaut
+1
Level 57
Dec 22, 2025
Haha, so am i.
Alexquiz17
+1
Level 95
Mar 22, 2026
You’re a star!
PotatoFromAbove
+1
Level 58
Apr 20, 2026
how are you guys doing so well on this one. missed three and only better than 50%
dumBunny
+1
Level 61
Apr 27, 2026
There was a dot SE of New York City that I couldn't figure out - Philly? DC? Nassah!?!?

Nope, turns out it was some stray hummus.

Weyo
+1
Level 55
Apr 28, 2026
only missed taipei because it looked so chinese on the map lmao
Newroadgirl
+1
Level 69
Apr 28, 2026
A very enjoyable quiz and I do learn so much from Jetpunk.

However, where population stats are involved I think people may be getting a skewed view of the sizes of some of these settlements.

London thinks it has a population of 8-9 million, the British Office of National Statistics agrees. This quiz almost doubles its population because the US defines 'city' in a very different way.

I'm not wishing to nitpick and obviously you can only use one source of figures for the quiz but it is deceptive.

Area of London 607 sq miles, Tokyo 5,000+ sq miles.

I'm now arguing with my husband about this :) :) :)

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