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Countries with the Most Lakes Over 100 Km²

Try to name the countries which have the most lakes over 100 square kilometers in size.
See methodology in comments
Quiz by
Trueintrovert
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Last updated: May 18, 2024
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First submittedSeptember 16, 2022
Times taken31,521
Average score84.6%
Rating4.83
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Lakes
Country
325
Canada
134
Russia
110
United States
96
China
45
Finland
29
Sweden
29
Australia
28
Kazakhstan
23
Brazil
13
Argentina
11
Mongolia
11
Mexico
10
India
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18 Comments
Quizmaster
+17
Level ∞
May 17, 2024
Finally re-featured after two years.

I computed the lakes using a script based on Natural Earth data.

I chose a threshold of 100 square kilometers because of limitations in the data set. These numbers are probably a slight undercount.

Quizmaster
+9
Level ∞
May 18, 2024
We have higher quality sources for Finland and Mongolia.

Thanks to the users who pointed out errors in the quiz before and sorry for the reset.

cornflakesfu
+11
Level 89
May 17, 2024
Do lakes that cross an international border (Lake Superior, Lake Victoria, etc.) count for all the countries they are partially in?
Quizmaster
+17
Level ∞
May 17, 2024
Yes, as long as they have 100 square kilometers within the country.
Neodymium
+1
Level 63
May 17, 2024
Nice quiz!
JetPunker180
+2
Level 55
May 26, 2024
Missed Mexico!
Xtrordinary
+6
Level 75
May 26, 2024
DR Congo maybe?

Lake Albert, Lake Edward, Lake Mai-Ndombe, Lake Kivu. Lake Tumba, Lake Kisale, Lake Upemba, Lake Mweru, Lake Tanganyika, Lake Nzilo

Problem is that Lake Nzilo is artificial

Xtrordinary
+1
Level 75
May 26, 2024
actually not a problem, theres Lake Zimbambo and Lake Kabamba
Amin1992
+3
Level 36
May 26, 2024
'See methodology in comments'

And spoil the quiz for myself with the answers?

TitusOfficial
+1
Level 39
Jun 2, 2024
They could’ve said ‘Do this quiz, THEN see methodology in comments’
Sifhraven
+2
Level 76
Sep 5, 2024
It doesn't say click this link first and read it, then do the quiz. Ofcourse you do the quiz first. Then if you are curious you could check the link. Or for those that have issues/complaints "why isn't this on here" "should this also be in here" "what about this country" they could check the link too and see for themselves. And really should before posting such comments imo. On some quizes I've seen dozens of people repeating the same questions while it has been answered a dozens times in the comments too, sometimes directly above their own comment. While they could have just checked the source and see why something was in/excluded for themselves. Ok, end rant :D
Sifhraven
+2
Level 76
Sep 5, 2024
Ok, turns out I still got some rant left :D

Friendly reminder, read comments before you post people! And if you do get the urge to immediately post (it happens, sometimes you just want to get it out there) then read the comments after, but delete or edit your post if you see the questions already has been asked many times, or has already been answered or is explained in the source).

Ok that's it, now I'll save up my rant for next year ;)

Trueintrovert
+1
Level 56
Sep 5, 2024
I'll be waiting :)
iLoveCountries7
+1
Level 33
May 27, 2024
missed sweden
szalasikxcq
+2
Level 27
Oct 17, 2024
got australia in the literal last second
MaximusMagn3to
+1
Level 37
May 18, 2025
Missed Sweden omagod
cskizz
+1
Level 56
May 31, 2025
I have no idea how to create map quizzes or anything like you QM, but the Natural Earth site you shared is a super cool tool/project!

Maybe one day I'll play around with the programming side of things and make some additions to this awesome site.

labienus
+1
Level 67
Nov 7, 2025
Would be good to check against Naturalearth data but Wikipedia says Turkey has 13 natural lakes larger than 100 km2. Some of these are hypersaline/shrinking but the Wikipedia numbers seem to be on the conservative side.
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