International Mathematical Olympiad

The world championship of mathematics for secondary school students. Each country sends a team of up to six students, who write two papers of three problems on two days.

Organizer: IMO Board
First held: 1959
Official site: https://www.imo-official.org/

Papers

Year	Place	Problems
2026	Shanghai, China	1 2 3 4 5 6
2025	Sunshine Coast, Australia	1 2 3 4 5 6
2024	Bath, United Kingdom	1 2 3 4 5 6
2023		1 2 3 4 5 6
2022		1 2 3 4 5 6
2021		1 2 3 4 5 6
2020		1 2 3 4 5 6
2019		1 2 3 4 5 6
2018		1 2 3 4 5 6
2017		1 2 3 4 5 6
2016		1 2 3 4 5 6
2015		1 2 3 4 5 6
2014		1 2 3 4 5 6
2013		1 2 3 4 5 6
2012		1 2 3 4 5 6
2011		1 2 3 4 5 6
2010		1 2 3 4 5 6
2009		1 2 3 4 5 6
2008		1 2 3 4 5 6
2007		1 2 3 4 5 6
2006		1 2 3 4 5 6
2005		1 2 3 4 5 6
2004		1 2 3 4 5 6
2003		1 2 3 4 5 6
2002		1 2 3 4 5 6
2001		1 2 3 4 5 6
2000		1 2 3 4 5 6
1999		1 2 3 4 5 6
1998		1 2 3 4 5 6
1997		1 2 3 4 5 6
1996		1 2 3 4 5 6
1995		1 2 3 4 5 6
1994		1 2 3 4 5 6
1993		1 2 3 4 5 6
1992		1 2 3 4 5 6
1991		1 2 3 4 5 6
1990		1 2 3 4 5 6
1989		1 2 3 4 5 6
1988		1 2 3 4 5 6
1987		1 2 3 4 5 6
1986		1 2 3 4 5 6
1985		1 2 3 4 5 6
1984		1 2 3 4 5 6
1983		1 2 3 4 5 6
1982		1 2 3 4 5 6
1981		1 2 3 4 5 6
1979		1 2 3 4 5 6
1978		1 2 3 4 5 6
1977		1 3 4 6
1976		1 2 3 4 5 6
1975		1 2 3 4 5 6
1974		1 2 3 4 5 6
1973		1 2 3 4 5 6
1972		1 2 3 4 5 6
1971		1 2 3 4 5 6
1970		1 2 3 4 5 6
1969		1 2 3 4 5 6
1968		1 2 3 4 5 6
1967		1 2 3 4 5 6
1966		1 2 3 4 5 6
1965		1 2 3 4 5 6
1964		1 2 3 4 5 6
1963		1 2 3 4 5 6
1962		1 2 3 4 5 6
1961		1 2 3 4 5 6
1960		1 2 3 4 5 6
1959		1 2 3 4 5 6