International Olympiad in Informatics – Statistics
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 |
33 | 2021 | 19 June 2021 – 25 June 2021 | Singapore | online | 351 | 88 |
34 | 2022 | 07 August 2022 – 15 August 2022 | Indonesia | Yogyakarta | 349 | 88 |
32 | 2020 | 13 September 2020 – 19 September 2020 | Singapore | online | 343 | 87 |
30 | 2018 | 01 September 2018 – 08 September 2018 | Japan | Tsukuba | 335 | 87 |
31 | 2019 | 04 August 2019 – 11 August 2019 | Azerbaijan | Baku | 327 | 87 |
27 | 2015 | 26 July 2015 – 02 August 2015 | Kazakhstan | Almaty | 322 | 83 |
26 | 2014 | 13 July 2014 – 20 July 2014 | Taiwan | Taipei | 311 | 81 |
24 | 2012 | 23 September 2012 – 30 September 2012 | Italy | Sirmione/Montichiari | 310 | 81 |
29 | 2017 | 28 July 2017 – 04 August 2017 | Iran | Tehran | 308* | 83* |
28 | 2016 | 12 August 2016 – 19 August 2016 | Russia | Kazan | 308 | 80 |
23 | 2011 | 22 July 2011 – 29 July 2011 | Thailand | Pattaya | 303 | 78 |
21 | 2009 | 08 August 2009 – 15 August 2009 | Bulgaria | Plovdiv | 301 | 78 |
25 | 2013 | 06 July 2013 – 13 July 2013 | Australia | Brisbane | 299 | 77 |
22 | 2010 | 14 August 2010 – 21 August 2010 | Canada | Waterloo | 297 | 80 |
16 | 2004 | 11 September 2004 – 18 September 2004 | Greece | Athens | 291 | 76 |
19 | 2007 | 15 August 2007 – 22 August 2007 | Croatia | Zagreb | 285 | 77 |
20 | 2008 | 16 August 2008 – 23 August 2008 | Egypt | Cairo | 283 | 78 |
18 | 2006 | 13 August 2006 – 20 August 2006 | Mexico | Mérida | 282 | 74 |
12 | 2000 | 23 September 2000 – 30 September 2000 | China | Beijing | 278 | 72 |
17 | 2005 | 18 August 2005 – 25 August 2005 | Poland | Nowy Sącz | 276 | 72 |
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 |
15 | 2003 | 16 August 2003 – 23 August 2003 | United States of America | Kenosha | 265 | 69 |
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 |
4 | 1992 | 11 July 1992 – 21 July 1992 | Germany | Bonn | 171 | 51 |
5 | 1993 | 16 October 1993 – 25 October 1993 | Argentina | Mendoza | 155 | 43 |
2 | 1990 | 15 July 1990 – 21 July 1990 | Soviet Union | Minsk | 100 | 25 |
3 | 1991 | 19 May 1991 – 25 May 1991 | Greece | Athens | 68 | 23 |
1 | 1989 | 16 May 1989 – 19 May 1989 | Bulgaria | Pravetz | 46 | 13 |