IMO problems statistics
This page lists the number of IMO problems per proposing country for the years 1959-2020.
| #problems | : proposed by country |
|---|---|
| 28 | Poland |
| 24 | Netherlands |
| 23 | United Kingdom |
| 22 | Romania |
| 20 | *USSR |
| 17 | Bulgaria |
| 17 | Russia |
| 16 | *Czechoslovakia |
| 16 | Hungary |
| 13 | USA |
| 11 | *West Germany |
| 9.5 | Australia |
| 9 | *East Germany |
| 9 | France |
| 8 | South Korea |
| 7 | Finland |
| 7 | Iran |
| 7 | Sweden |
| 6 | India |
| 6 | Luxembourg |
| 5 | Austria |
| 5 | Belarus |
| 5 | Belgium |
| 5 | Czech Republic |
| 5 | Ukraine |
| 4 | Canada |
| 4 | Greece |
| 4 | Ireland |
| 4 | Mongolia |
| 4 | Serbia |
| 4 | *Yugoslavia |
| 3 | China |
| 3 | Estonia |
| 3 | Japan |
| 3 | New Zealand |
| 3 | South Africa |
| 3 | Vietnam |
| 2.5 | Armenia |
| 2 | Albania |
| 2 | Croatia |
| 2 | Germany |
| 2 | Iceland |
| 2 | Israel |
| 2 | Italy |
| 2 | Lithuania |
| 2 | Taiwan |
| 1 | Brazil |
| 1 | Colombia |
| 1 | Cuba |
| 1 | El Salvador |
| 1 | Georgia |
| 1 | Hong Kong |
| 1 | Macedonia |
| 1 | Mexico |
| 1 | Philippines |
| 1 | Slovakia |
| 1 | Spain |
| 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.
