International Olympiad in Informatics

The International Olympiad in Informatics (IOI) is one of the International Science Olympiads. Its primary goal is to stimulate interest in informatics (computing science) and information technology. Another important goal is to bring together exceptionally talented pupils from various countries and to have them share scientific and cultural experiences. Several International Olympiads in Informatics have been organized so far, hosted by a number of different countries.

The logo of the International Olympiad in Informatics.

Overview

Number	Year	Host country	Host city	Dates
1	1989	Bulgaria	Pravetz	May 16–19
2	1990	Belarus, Soviet Union	Minsk	July 15–21
3	1991	Greece	Athens	May 19–25
4	1992	Germany	Bonn	July 11–21
5	1993	Argentina	Mendoza	October 16–25
6	1994	Sweden	Haninge	July 3–10
7	1995	Netherlands	Eindhoven	June 26 – July 3
8	1996	Hungary	Veszprém	July 25 – August 2
9	1997	South Africa	Cape Town	November 30 – December 7
10	1998	Portugal	Setúbal	September 5–12
11	1999	Turkey	Antalya-Belek	October 9–16
12	2000	China	Beijing	September 23–30
13	2001	Finland	Tampere	July 14–21
14	2002	Korea Rep.	Yong-In	August 18–25
15	2003	United States	Kenosha, Wisconsin	August 16–23
16	2004	Greece	Athens	September 11–18
17	2005	Poland	Nowy Sącz	August 18–25
18	2006	Mexico	Mérida, Yucatán	August 13–20
19	2007	Croatia	Zagreb	August 15–22
20	2008	Egypt	Cairo	August 16–23
21	2009	Bulgaria	Plovdiv	August 8–15
22	2010	Canada	Waterloo, Ontario	August 14–21
23	2011	Thailand	Pattaya	July 22–29
24	2012	Italy	Sirmione and Montichiari	September 23–30
25	2013	Australia	Brisbane	July 6–13
26	2014	Taiwan	Taipei	July 13–20
27	2015	Kazakhstan	Almaty	July 26 – August 2
28	2016	Russia	Kazan	August 12–19
29	2017	Iran	Tehran	July 28 – August 4
30	2018	Japan	Tsukuba	September 1–8
31	2019	Azerbaijan	Baku	August 4–11
32	2020	Singapore	online	September 13–19
33	2021	Singapore	online	June 19–25
34	2022	Indonesia	Yogyakarta	August 7–15
35	2023	Hungary	Szeged	August 28 – September 4
36	2024	Egypt	Alexandria	September 1–8
37	2025	Bolivia	La Paz
38	2026	Uzbekistan