Countries which have won the International Mathematical Olympiad

There are surprisingly few of them.
Hint: some countries no longer exist.
Countries with the same number of wins are arranged in chronological order of their first win
Quiz by 81928128
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Last updated: July 12, 2023
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First submittedOctober 14, 2016
Times taken1,268
Average score58.3%
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Wins
Answer
24
China
13
Soviet Union
8
United States
6
Hungary
5
Romania
2
Germany
Wins
Answer
2
South Korea
1
Czechoslovakia
1
East Germany
1
Iran
1
Bulgaria
1
Russia
+1
Level 70
Jul 29, 2018
Great quiz! The USA has won the 59th IMO so their number should now be 7.
+1
Level 60
Jul 29, 2018
Thanks! I've updated the quiz. Kind of forgot that I had a quiz to update when the results came out.
+1
Level 71
Sep 25, 2022
Seeing the whole eastern bloc as the answers i missed was a real shocker.
+1
Level 70
Sep 25, 2022
You should read the description
+2
Level 85
Sep 25, 2022
I don't think you want all that stuff preceding "imo-official.org" in your source link, do you?
+1
Level 60
Sep 30, 2022
Oops, looks like html didn't work like how I thought it did. It's fixed now. Thanks!