IMO problems statistics

This page lists the number of IMO problems per proposing country for the years 1959-2019.

#problems : proposed by country
26 Poland
24 Netherlands
23 United Kingdom
22 Romania
20 *USSR
17 Bulgaria
17 Russia
16 *Czechoslovakia
15 Hungary
13 USA
11 *West Germany
9 *East Germany
9 France
8.5 Australia
8 South Korea
7 Finland
7 Iran
7 Sweden
6 Luxembourg
5 Belarus
5 Czech Republic
5 India
4 Austria
4 Belgium
4 Greece
4 Ireland
4 Mongolia
4 Serbia
4 Ukraine
4 *Yugoslavia
3 Canada
3 China
3 Japan
3 New Zealand
3 South Africa
3 Vietnam
2.5 Armenia
2 Albania
2 Croatia
2 Estonia
2 Germany
2 Iceland
2 Israel
2 Italy
2 Lithuania
1 Brazil
1 Colombia
1 Cuba
1 El Salvador
1 Georgia
1 Hong Kong
1 Macedonia
1 Mexico
1 Philippines
1 Slovakia
1 Taiwan
1 Thailand
1 Turkey

A * in front of a country name means that this country no longer exists, since it split or merged into other countries.

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