List of International Mathematical Olympiad participants

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The International Mathematical Olympiad (IMO) is an annual international high school mathematics competition focused primarily on pre-collegiate mathematics, and is the oldest of the international science olympiads. [1] The awards for exceptional performance include medals for roughly the top half participants, and honorable mentions for participants whom solve at least one problem perfectly. [2]

Contents

This is a list of participants who have achieved notability. This includes participants that went on to become notable mathematicians, participants who won medals at an exceptionally young age, or participants who scored highly.

Exceptionally young medalists

Terence Tao is the youngest bronze, silver, and gold medalist, respectively, in IMO history. Ttao2006.jpg
Terence Tao is the youngest bronze, silver, and gold medalist, respectively, in IMO history.
Raul Chavez (Peru) is the second youngest bronze medalist and was also the same in silver and gold until 2020 and 2021, respectively. R. Chavez, Medalla de oro en la IMO, en la premiacion de la etapa nacional - ONEM 2011 en el Palacio de la Republica, Peru.jpg
Raúl Chávez (Peru) is the second youngest bronze medalist and was also the same in silver and gold until 2020 and 2021, respectively.
NameTeam(s)YearAwardsAge (on final day of IMO)
Terence Tao Flag of Australia (converted).svg Australia 1986Bronze10 years, 363 days
Raúl Chávez Sarmiento Flag of Peru.svg Peru 2009Bronze11 years, 271 days
Terence Tao Flag of Australia (converted).svg Australia 1987Silver11 years, 364 days
Alex Chui Flag of Hong Kong.svg Hong Kong 2020Silver12 years, 156 days
Akshay Venkatesh Flag of Australia (converted).svg Australia 1994Bronze12 years, 241 days
Yeoh Zi Song Flag of Malaysia.svg Malaysia 2014Bronze12 years, 245 days
Raúl Chávez Sarmiento Flag of Peru.svg Peru 2010Silver12 years, 263 days
Terence Tao Flag of Australia (converted).svg Australia 1988Gold13 years, 4 days
Warren Bei Flag of Canada (Pantone).svg Canada 2021Silver13 years, 78 days
Alex Chui Flag of Hong Kong.svg Hong Kong 2021Gold13 years, 90 days
Zhuo Qun Song Flag of Canada (Pantone).svg Canada 2010Bronze13 years, 170 days
Damjan Davkov Flag of North Macedonia.svg North Macedonia 2021Silver13 years, 199 days
Arlan Sayat Flag of Kyrgyzstan.svg Kyrgyzstan 2025Bronze13 years, 242 days
Jeremy Kahn Flag of the United States.svg United States 1983Silver13 years, 259 days
Raúl Chávez Sarmiento Flag of Peru.svg Peru 2011Gold13 years, 273 days
Pawel Kröger Flag of East Germany.svg East Germany 1972Perfect Score13 years, 354 days
Pasin Manurangsi Flag of Thailand.svg Thailand 2007Silver13 years, 359 days
Warren Bei Flag of Canada (Pantone).svg Canada 2022Gold14 years, 66 days
Ömer Cerrahoğlu Flag of Romania.svg Romania 2009Gold14 years, 80 days
Yi Shuen Yeoh Flag of Malaysia.svg Malaysia 2025Silver14 years, 100 days
Pipitchaya Sridam Flag of Thailand.svg Thailand 2021Gold14 years, 136 days
Zhuo Qun Song Flag of Canada (Pantone).svg Canada 2011Gold14 years, 170 days
William Cheah Flag of Australia (converted).svg Australia 2023Silver14 years, 181 days
Damjan Davkov Flag of North Macedonia.svg North Macedonia 2022Silver14 years, 187 days
Janson Ho Flag of Malaysia.svg Malaysia 2025Silver14 years, 188 days
Harvey Yau Flag of the United Kingdom.svg United Kingdom 2014Silver14 years, 190 days
Jeremy Kahn Flag of the United States.svg United States 1984Silver14 years, 258 days
Lisa Sauermann Flag of Germany.svg Germany 2007Silver14 years, 309 days
Noam Elkies Flag of the United States.svg United States 1981Perfect Score14 years, 329 days
Pasin Manurangsi Flag of Thailand.svg Thailand 2008Gold14 years, 351 days
Aleksandr Khazanov Flag of the United States.svg United States 1994Perfect Score15 years, 77 days
Sergei Konyagin Flag of the Soviet Union.svg Soviet Union 1972Perfect Score15 years, 83 days
Ethan Yong-Ern Tan Flag of Australia (converted).svg Australia 2018Gold15 years, 125 days
Simon P. Norton Flag of the United Kingdom.svg United Kingdom 1967Gold15 years, 135 days
Vladimir Drinfeld Flag of the Soviet Union.svg Soviet Union 1969Perfect Score15 years, 156 days
Damjan Davkov Flag of North Macedonia.svg North Macedonia 2023Gold15 years, 184 days
Yuliy Sannikov Flag of Ukraine.svg Ukraine 1994Perfect Score15 years, 259 days
Yang Yihan Flag of Singapore.svg Singapore 2024Gold15 years, 271 days

High-scoring participants

Zhuo Qun Song, the most highly decorated IMO contestant with 5 golds and 1 bronze medal. Zhuo Qun (Alex) Song.jpg
Zhuo Qun Song, the most highly decorated IMO contestant with 5 golds and 1 bronze medal.
Ciprian Manolescu, the only person to achieve three perfect scores at the IMO (1995-1997). Ciprian.jpg
Ciprian Manolescu, the only person to achieve three perfect scores at the IMO (1995–1997).

The following table lists all IMO Winners who have won at least three gold medals, with corresponding years and non-gold medals received noted (P denotes a perfect score.)

NameTeam(s)Years
Zhuo Qun Song Flag of Canada (Pantone).svg Canada201020112012201320142015 P
Alex Chui Flag of Hong Kong.svg Hong Kong ('20, '21)
Flag of the United Kingdom.svg United Kingdom ('22, '23, '24, '25)		202020212022202320242025
Teodor von Burg Flag of Serbia.svg Serbia 200720082009201020112012
Lisa Sauermann Flag of Germany.svg Germany 20072008200920102011 P
Nipun Pitimanaaree Flag of Thailand.svg  Thailand 20092010201120122013
Christian Reiher Flag of Germany.svg Germany19992000200120022003
Luke Robitaille Flag of the United States.svg United States 2019202020212022
Reid W. Barton Flag of the United States.svg United States 1998199920002001 P
Warren Bei Flag of Canada (Pantone).svg Canada 20212022202320242025 P
Wolfgang Burmeister Flag of East Germany.svg East Germany 1967196819691970 P1971
Iurie Boreico Flag of Moldova.svg Moldova 200320042005 P2006 P2007
Lim Jeck Flag of Singapore.svg Singapore 2009201020112012 P2013
Martin Härterich Flag of Germany.svg West Germany 198519861987 P19881989
László Lovász Flag of Hungary.svg Hungary 196319641965 P1966 P
József Pelikán  [ hu ] Flag of Hungary.svg Hungary1963196419651966 P
Nikolay Nikolov Flag of Bulgaria.svg  Bulgaria 1992199319941995 P
Kentaro Nagao Flag of Japan.svg Japan 1997199819992000
Vladimir Barzov Flag of Bulgaria.svg Bulgaria1999200020012002
Peter Scholze Flag of Germany.svg Germany20042005 P20062007
Pranjal Srivastava Flag of India.svg India 2018201920212022
Makoto Soejima Flag of Japan.svg Japan2005200720082009 P
Alex Gunning Flag of Australia (converted).svg Australia 201220132014 P2015
Andrew Carlotti Flag of the United Kingdom.svg United Kingdom 2010201120122013
Simon Norton Flag of the United Kingdom.svg United Kingdom196719681969 P
John Rickard Flag of the United Kingdom.svg United Kingdom1975 P19761977 P
Sergei Ivanov Flag of the Soviet Union.svg Soviet Union 1987 P19881989 P
Theodor Banica Flag of Romania.svg Romania 198919901991
Eugenia Malinnikova Flag of the Soviet Union.svg Soviet Union19891990 P1991 P
Sergey Norin Flag of Russia.svg Russia 1994 P1995 P1996
Yuliy Sannikov Flag of Ukraine.svg Ukraine 1994 P19951996
Ciprian Manolescu Flag of Romania.svg Romania1995 P1996 P1997 P
Ivan Ivanov Flag of Bulgaria.svg Bulgaria199619971998
Nikolai Dourov Flag of Russia.svg Russia199619971998
Tamás Terpai Flag of Hungary.svg Hungary199719981999
Stefan Hornet Flag of Romania.svg Romania199719981999
Vladimir Dremov Flag of Russia.svg Russia199819992000
Mihai Manea Flag of Romania.svg Romania199920002001
Tiankai Liu Flag of the United States.svg United States200120022004
Oleg Golberg Flag of Russia.svg Russia ('02, '03)
Flag of the United States.svg United States ('04)		200220032004
Béla András Rácz Flag of Hungary.svg Hungary200220032004 P
Andrey Badzyan Flag of Russia.svg Russia200220032004 P
Rosen Kralev Flag of Bulgaria.svg Bulgaria200320042005 P
Przemysław Mazur Flag of Poland.svg Poland 200620072008
Tak Wing Ching Flag of Hong Kong.svg Hong Kong 200920102011
Chung Song Hong Flag of North Korea.svg North Korea 201120122013
Dong Ryul Kim Flag of South Korea.svg South Korea 201220132014
Allen Liu Flag of the United States.svg United States 201420152016 P
Sheldon Kieren Tan Flag of Singapore.svg Singapore 201420152016
Alexander Wang Flag of the United States.svg United States 202320242025
Pavel Ciurea Flag of Romania.svg Romania 202320242025

Notable participants

Mathematicians

A number of IMO participants have gone on to become notable mathematicians. The following IMO participants have either received a Fields Medal, an Abel Prize, a Wolf Prize or a Clay Research Award, awards which recognise groundbreaking research in mathematics; a European Mathematical Society Prize, an award which recognizes young researchers; or one of the American Mathematical Society's awards (a Blumenthal Award in Pure Mathematics, Bôcher Memorial Prize in Analysis, Cole Prize in Algebra, Cole Prize in Number Theory, Fulkerson Prize in Discrete Mathematics, Steele Prize in Mathematics, or Veblen Prize in Geometry and Topology) recognizing research in specific mathematical fields. Grigori Perelman proved the Poincaré conjecture (one of the seven Millennium Prize Problems), and Yuri Matiyasevich gave a negative solution of Hilbert's tenth problem.

G denotes an IMO gold medal, S denotes a silver medal, B denotes a bronze medal, and P denotes a perfect score.

 Name  Team  IMO   Fields Medal    Wolf Prize    EMS Prize   AMS research prizes   Clay Award    Abel Prize  
  Grigory Margulis    Flag of the Soviet Union.svg Soviet Union   S 1962 197820052020
  George Lusztig    Flag of Romania.svg Romania   S 1963, S 1962 1985 (Cole algebra)
  Henryk Iwaniec    Flag of Poland.svg Poland   S 1966, 1965 2002 (Cole number theory)
  László Lovász    Flag of Hungary.svg Hungary   P 1966, P 1965, G 1964, S 1963 19991982, 2012 (Fulkerson)2021
  Andrei Suslin    Flag of the Soviet Union.svg Soviet Union   G 1967 2000 (Cole algebra)
  János Pintz    Flag of Hungary.svg Hungary   B 1969, P 1968,B 1967 2014 (Cole number theory)
  Vladimir Drinfeld    Flag of the Soviet Union.svg Soviet Union   P 1969 19902018
  Andrei Zelevinsky    Flag of the Soviet Union.svg Soviet Union   S 19692018 (Steele)
  Alexander Merkurjev    Flag of the Soviet Union.svg Soviet Union   S 1972 2012 (Cole algebra)
  Pierre-Louis Lions    Flag of France.svg France   1973 1994
  János Kollár    Flag of Hungary.svg Hungary   P 1974, G 1973 2006 (Cole algebra)
  Jean-Christophe Yoccoz    Flag of France.svg France   P 1974, S 1973 1994
  Sergey Fomin    Flag of the Soviet Union.svg Soviet Union   S 19742018 (Steele)
  Paul Vojta    Flag of the United States.svg United States   P 1975 1992 (Cole number theory)
  Alexander Goncharov    Flag of the Soviet Union.svg Soviet Union   G 1976 1992
  Richard Borcherds    Flag of the United Kingdom.svg United Kingdom   G 1978, S 1977 19981992
  Timothy Gowers    Flag of the United Kingdom.svg United Kingdom   P 1981 19981996
  Peter Kronheimer    Flag of the United Kingdom.svg United Kingdom   S 1981 2007 (Veblen)
  Michel Goemans    Flag of Belgium (civil).svg Belgium    1981, 1982  2000 (Fulkerson)
  Gábor Tardos    Flag of Hungary.svg Hungary   S 1982, S 1981, 1979 1992
  Grigori Perelman    Flag of the Soviet Union.svg Soviet Union   P 1982    2006 [3] 1996 [4]
  Alexis Bonnet    Flag of France.svg France   S 1984, S 1983 1996
  Laurent Lafforgue    Flag of France.svg France   S 1985, S 1984 20022000
  Daniel Tătaru    Flag of Romania.svg Romania   P 1985, P 1984 2002 (Bôcher)
  Zoltán Szabó    Flag of Hungary.svg Hungary   S 1985 2007 (Veblen)
  Jeremy Kahn    Flag of the United States.svg United States   G 1986, G 1985, S 1984, S 1983 2012
  Ricardo Pérez-Marco    Flag of Spain.svg Spain   S 1986, 1985 1996
  Dominic Joyce    Flag of the United Kingdom.svg United Kingdom   S 1986 2000
  Stanislav Smirnov    Flag of the Soviet Union.svg Soviet Union   P 1987, P 1986 201020042001
  Terence Tao    Flag of Australia (converted).svg Australia   G 1988, S 1987, B 1986 20062002 (Bôcher)2003
  Elon Lindenstrauss    Flag of Israel.svg Israel   B 1988 201020042001 (Blumenthal)
  Ngô Bảo Châu    Flag of Vietnam.svg Vietnam   G 1989, P 1988 20102004
  Emmanuel Grenier    Flag of France.svg France   B 1989 2000
  Vincent Lafforgue    Flag of France.svg France   P 1991, P 1990 2000
  Eugenia Malinnikova    Flag of the Soviet Union.svg Soviet Union   P 1991, P 1990, G 1989 2017
  Akshay Venkatesh    Flag of Australia (converted).svg Australia   B 1994 2018
  Artur Avila    Flag of Brazil.svg Brazil   G 1995 20142008
  Emmanuel Breuillard    Flag of France.svg France   G 1995 2012
  Ben J. Green    Flag of the United Kingdom.svg United Kingdom   S 1995, S 1994 20082004
  Maryam Mirzakhani    Flag of Iran.svg Iran   P 1995, G 1994  20142009 (Blumenthal)2014
  Boáz Klartag    Flag of Israel.svg Israel   S 1996 2008
  Ciprian Manolescu    Flag of Romania.svg Romania   P 1997, P 1996, P 1995 2012
  Adrian Ioana    Flag of Romania.svg Romania   S 1999 2012
  Mark Braverman   Flag of Israel.svg Israel   G 2000, B 1999, B 1998 2016
  Ana Caraiani   Flag of Romania.svg Romania   G 2003, G 2002, S 2001 2020
  Kaisa Matomäki   Flag of Finland.svg Finland   2003, 2002 2020
  Simion Filip   Flag of Moldova.svg Moldova   S 2005, B 2004 2020
  Peter Scholze    Flag of Germany.svg Germany   G 2007, G 2006, P 2005, S 2004 201820162015 (Cole algebra)2014

Computer scientists

IMO medalists have also gone on to become notable computer scientists. The following IMO medalists have received a Nevanlinna Prize, a Knuth Prize, or a Gödel Prize; these awards recognise research in theoretical computer science. G denotes an IMO gold medal, S denotes a silver medal, B denotes a bronze medal, and P denotes a perfect score.

 Name  Team  IMO   Nevanlinna Prize    Knuth Prize    Gödel Prize  
  László Lovász    Flag of Hungary.svg Hungary   P 1966, P 1965, G 1964, S 1963 19992001
  László Babai    Flag of Hungary.svg Hungary   P 1968, S 1967, S 1966 20151993
  Johan Håstad    Flag of Sweden.svg Sweden   G 1977 1994, 2011
  Peter Shor    Flag of the United States.svg United States   S 1977 19981999
  Alexander Razborov    Flag of the Soviet Union.svg Soviet Union   G 1979 19902007
  Subhash Khot    Flag of India.svg India   S 1995, S 1994 2014

Other

IMO medalists who have gone on to have notable careers in other fields or professions which isn't mathematics or computer science. G denotes an IMO gold medal, S denotes a silver medal, B denotes a bronze medal, and P denotes a perfect score.

NameTeamIMOAccomplishments
Nicușor Dan   Flag of Romania.svg Romania  P 1987, P 1988 Mayor of Bucharest (2020–2025), President of Romania (2025–present)

See also

Notes

  1. ↑ "International Mathematics Olympiad (IMO)".
  2. ↑ "47th International Mathematical Olympiad Results".
  3. ↑ Perelman was awarded a Fields Medal for his proof of the Poincaré conjecture, but he declined the Medal.
  4. ↑ Perelman was awarded an EMS prize for his proof of the Soul theorem, but he declined the prize.

References

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