Olympiads

International Olympiad in Informatics – Statistics

Olympiads Countries Tasks Hall of Fame Search

Olympiads

No.	Year ▼	Dates	Host	City	Contestants	Countries
36	2024	01 September 2024 – 08 September 2024	Egypt	Alexandria	362^*	91^*
35	2023	28 August 2023 – 04 September 2023	Hungary	Szeged	351	87
34	2022	07 August 2022 – 15 August 2022	Indonesia	Yogyakarta	349	88
33	2021	19 June 2021 – 25 June 2021	Singapore	online	351	88
32	2020	13 September 2020 – 19 September 2020	Singapore	online	343	87
31	2019	04 August 2019 – 11 August 2019	Azerbaijan	Baku	327	87
30	2018	01 September 2018 – 08 September 2018	Japan	Tsukuba	335	87
29	2017	28 July 2017 – 04 August 2017	Iran	Tehran	308^*	83^*
28	2016	12 August 2016 – 19 August 2016	Russia	Kazan	308	80
27	2015	26 July 2015 – 02 August 2015	Kazakhstan	Almaty	322	83
26	2014	13 July 2014 – 20 July 2014	Taiwan	Taipei	311	81
25	2013	06 July 2013 – 13 July 2013	Australia	Brisbane	299	77
24	2012	23 September 2012 – 30 September 2012	Italy	Sirmione/Montichiari	310	81
23	2011	22 July 2011 – 29 July 2011	Thailand	Pattaya	303	78
22	2010	14 August 2010 – 21 August 2010	Canada	Waterloo	297	80
21	2009	08 August 2009 – 15 August 2009	Bulgaria	Plovdiv	301	78
20	2008	16 August 2008 – 23 August 2008	Egypt	Cairo	283	78
19	2007	15 August 2007 – 22 August 2007	Croatia	Zagreb	285	77
18	2006	13 August 2006 – 20 August 2006	Mexico	Mérida	282	74
17	2005	18 August 2005 – 25 August 2005	Poland	Nowy Sącz	276	72
16	2004	11 September 2004 – 18 September 2004	Greece	Athens	291	76
15	2003	16 August 2003 – 23 August 2003	United States of America	Kenosha	265	69
14	2002	18 August 2002 – 25 August 2002	Republic of Korea	Yong-In	276	78
13	2001	14 July 2001 – 21 July 2001	Finland	Tampere	272	74
12	2000	23 September 2000 – 30 September 2000	China	Beijing	278	72
11	1999	09 October 1999 – 16 October 1999	Türkiye	Antalya-Belek	253	65
10	1998	05 September 1998 – 12 September 1998	Portugal	Setúbal	241	68
9	1997	30 November 1997 – 07 December 1997	South Africa	Cape Town	221	63
8	1996	25 July 1996 – 02 August 1996	Hungary	Veszprém	220	57
7	1995	26 June 1995 – 03 July 1995	Netherlands	Eindhoven	210	51
6	1994	03 July 1994 – 10 July 1994	Sweden	Haninge	189	49
5	1993	16 October 1993 – 25 October 1993	Argentina	Mendoza	155	43
4	1992	11 July 1992 – 21 July 1992	Germany	Bonn	171	51
3	1991	19 May 1991 – 25 May 1991	Greece	Athens	68	23
2	1990	15 July 1990 – 21 July 1990	Soviet Union	Minsk	100	25
1	1989	16 May 1989 – 19 May 1989	Bulgaria	Pravetz	46	13