IMO problems statistics
This page lists the number of IMO problems per proposing country for the years 1959-2011.
| #problems | : proposed by country |
|---|---|
| 25 | Poland |
| 23 | Netherlands |
| 23 | United Kingdom |
| 22 | Romania |
| 20 | *USSR |
| 16 | Bulgaria |
| 16 | *Czechoslovakia |
| 15 | Hungary |
| 12 | Russia |
| 11 | USA |
| 11 | *West Germany |
| 9 | *East Germany |
| 9 | France |
| 8 | South Korea |
| 7 | Finland |
| 7 | Sweden |
| 5 | Belarus |
| 5 | Iran |
| 4.5 | Australia |
| 4 | India |
| 4 | Ireland |
| 4 | *Yugoslavia |
| 3 | Belgium |
| 3 | China |
| 3 | Czech Republic |
| 3 | Luxembourg |
| 3 | Mongolia |
| 3 | New Zealand |
| 3 | Vietnam |
| 2 | Canada |
| 2 | Estonia |
| 2 | Germany |
| 2 | Iceland |
| 2 | Israel |
| 2 | Italy |
| 2 | Japan |
| 2 | Lithuania |
| 2 | Serbia |
| 2 | Ukraine |
| 1.5 | Armenia |
| 1 | Austria |
| 1 | Brazil |
| 1 | Colombia |
| 1 | Cuba |
| 1 | Greece |
| 1 | Hong Kong |
| 1 | Macedonia |
| 1 | Mexico |
| 1 | Philippines |
| 1 | Taiwan |
| 1 | Turkey |
A * in front of a country name means that this country no longer exists, since it split or merged into other countries.
