International Mathematical Olympiad

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IMO 2025

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

66th International Mathematical Olympiad. Sunshine Coast, 2025.

440

IMO 2024

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

65th International Mathematical Olympiad, 2024.

570

IMO 2023

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

64th International Mathematical Olympiad. Chiba, Japan, 2023.

430

IMO 2022

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

63rd International Mathematical Olympiad. Oslo, 2022.

420

IMO 2021

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

62nd International Mathematical Olympiad, 2021.

330

IMO 2020

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

61st International Mathematical Olympiad, 2020.

260

IMO 2019

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

60th International Mathematical Olympiad, 2019.

390

IMO 2018

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

59th International Mathematical Olympiad. Cluj-Napoca, Romania, 2018.

410

IMO 2017

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

58th International Mathematical Olympiad. Rio de Janeiro, Brazil, 2017.

290

IMO 2016

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

57th International Mathematical Olympiad. Hong Kong, 2016.

440

IMO 2015

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

56th International Mathematical Olympiad. Thailand, 2015.

320

IMO 2014

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

55th International Mathematical Olympiad. Cape Town, South Africa, 2014.

330

IMO 2013

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

54th International Mathematical Olympiad. Colombia, 2013.

350

IMO 2012

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

53rd International Mathematical Olympiad. Mar del Plata, Argentina, 2012.

290

IMO 2011

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

52nd International Mathematical Olympiad. Amsterdam, 2011.

360

IMO 2010

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

51st International Mathematical Olympiad, 2010.

320

IMO 2009

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

50th International Mathematical Olympiad. Bremen, Germany, 2009.

340

IMO 2008

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

49th International Mathematical Olympiad. Madrid, Spain, 10-22 July 2008.

230

IMO 2007

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

48th International Mathematical Olympiad, 2007.

280

IMO 2006

Sep 14, 2026Problem sheetInternational Mathematical Olympiad

International mathematics competition for pre-university students, held annually since 1959. Six problems over two days.

320