International Mathematical Olympiad (IMO): Ιστορικά στοιχεία, βαθμολογίες και όλα τα προβλήματα από το 1967 έως σήμερα

IMO year	Country	Dates	Team Leader’s report
IMO 1967	Yugoslavia	3–12 July	HTML
IMO 1968	USSR	5–18 July	HTML
IMO 1969	Romania	5–20 July	HTML
IMO 1970	Hungary	8–22 July	HTML
IMO 1971	Czechoslovakia	10–21 July	HTML
IMO 1972	Poland	5–17 July	HTML
IMO 1973	USSR	5–16 July	HTML
IMO 1974	East Germany	4–17 July	HTML
IMO 1975	Bulgaria	3–16 July	HTML
IMO 1976	Austria	7–21 July	HTML
IMO 1977	Yugoslavia	1–13 July	HTML
IMO 1978	Romania	3–10 July	HTML
IMO 1979	United Kingdom	30 June–9 July	HTML
(1980)	Luxembourg	8–13 July	HTML or scanned PDF
(1980)	Finland		wanted
IMO 1981	U.S.A.	8–20 July	wanted
IMO 1982	Hungary	5–14 July	HTML or scanned PDF
IMO 1983	France	1–12 July	wanted
IMO 1984	Czechoslovakia	29 June–11 July	HTML or scanned PDF
IMO 1985	Finland	1–11 July	HTML or scanned PDF
IMO 1986	Poland	4–15 July	HTML or scanned PDF
IMO 1987	Cuba	5–16 July	HTML or scanned PDF
IMO 1988	Australia	9–21 July	HTML or scanned PDF
IMO 1989	West Germany	13–24 July	HTML or scanned PDF
IMO 1990	China	9–19 July	HTML or scanned PDF
IMO 1991	Sweden	12–23 July	HTML or scanned PDF
IMO 1992	Russia	10–21 July	HTML or scanned PDF
IMO 1993	Turkey	13–24 July	HTML or PDF
IMO 1994	Hong Kong	8–20 July	HTML or scanned PDF
IMO 1995	Canada	13–25 July	HTML or scanned PDF
IMO 1996	India	5–17 July	HTML or PDF
IMO 1997 (home)	Argentina	18–31 July	HTML or PDF
IMO 1998	Taiwan	10–21 July	HTML or PDF
IMO 1999	Romania	10–22 July	HTML or PDF
IMO 2000	South Korea	13–25 July	HTML or PDF
IMO 2001	U.S.A.	1–14 July	HTML or PDF
IMO 2002	United Kingdom	19–30 July	HTML or PDF
IMO 2003	Japan	7–19 July	HTML or PDF
IMO 2004	Greece	6–18 July	HTML or PDF
IMO 2005	Mexico	8–19 July	HTML or PDF
IMO 2006 (home)	Slovenia	6–18 July	HTML or PDF
IMO 2007	Vietnam	19–31 July	HTML or PDF
IMO 2008 (home)	Spain	10–22 July	HTML or PDF
IMO 2009	Germany	10–22 July	HTML or PDF
IMO 2010	Kazakhstan	2–14 July	HTML or PDF
IMO 2011	Netherlands	13–24 July	HTML or PDF
IMO 2012 (home)	Argentina	4–16 July	HTML or PDF
IMO 2013	Colombia	18–28 July	HTML or PDF
IMO 2014	South Africa	3–13 July	HTML or PDF
IMO 2015 (home)	Thailand	4–16 July	HTML or PDF
IMO 2016	Hong Kong	6–16 July	PDF
IMO 2017 (home)	Brazil	12–23 July	PDF
IMO 2018 (home)	Romania	3–14 July	PDF
IMO 2019 (home)	United Kingdom	11–22 July	PDF
IMO 2020 (home)	Russia	19–28 September	virtual event because of COVID-19 pandemic
IMO 2021 (home)	Russia	14–24 July	PDF; virtual event because of COVID-19 pandemic
IMO 2022 (home)	Norway	6–16 July
IMO 2023	Japan	2–13 July
IMO 2024 (home)	United Kingdom
IMO 2025	Australia