Countries

International Olympiad in Informatics – Statistics

Olympiads Countries Tasks Hall of Fame Search

Countries*

	Country ▼	IOI Host	Medals
	Country ▼	IOI Host	G	S	B	Total
	Zimbabwe		0	0	0	0
?	Yugoslavia		1	3	1	5
?	Vietnam		22	53	55	130
?	Venezuela		0	0	1	1
?	Uzbekistan		0	1	4	5
	United States of America	2003	69	41	17	127
	United Kingdom		8	22	49	79
	United Arab Emirates		0	0	0	0
	Ukraine		13	42	52	107
?	Turkmenistan		1	0	6	7
?	Türkiye	1999	4	29	53	86
	Tunisia		0	0	2	2
?	Trinidad and Tobago		0	0	3	3
?	Thailand	2011	15	39	65	119
?	Tajikistan		0	3	6	9
	Taiwan	2014	26	64	30	120
?	Syria		0	2	16	18
	Switzerland		2	11	37	50
?	Sweden	1994	13	30	42	85
	Sri Lanka		3	7	17	27
?	Spain		1	8	21	30
?	Soviet Union	1990	3	4	1	8
	South Africa	1997	4	13	48	65
?	Slovenia		1	7	29	37
	Slovakia		26	45	38	109
	Singapore	2020, 2021	18	47	43	108
?	Serbia and Montenegro		2	15	17	34
	Serbia		1	22	36	59
	Saudi Arabia		0	0	7	7
	Rwanda		0	0	0	0
	Russia	2016	68	40	12	120
	Romania		38	60	37	135
?	Republic of Korea	2002	53	50	28	131
?	Portugal	1998	0	2	9	11
	Poland	2005	45	54	36	135
	Philippines		0	4	15	19
	Peru		0	0	1	1
?	Palestine		0	0	1	1
	Pakistan		0	0	6	6
?	Norway		1	3	11	15
?	North Macedonia		0	6	24	30
?	Nigeria		0	0	0	0
	New Zealand		0	2	25	27
	Netherlands	1995	4	19	43	66
?	Mozambique		0	0	0	0
?	Morocco		0	0	3	3
?	Montenegro		0	0	1	1
?	Mongolia		1	2	11	14
?	Moldova		0	8	32	40
	Mexico	2006	1	3	28	32
?	Mauritius		0	0	0	0
?	Malta		0	0	2	2
	Malaysia		2	6	17	25
	Madagascar		0	0	0	0
?	Macao, China		0	7	19	26
	Luxembourg		0	1	15	16
	Lithuania		2	31	52	85
?	Libya		0	0	0	0
	Latvia		8	25	55	88
	Kyrgyzstan		0	3	20	23
?	Kuwait		0	0	0	0
?	Kenya		0	0	0	0
?	Kazakhstan	2015	3	30	42	75
?	Jordan		0	1	4	5
	Japan	2018	38	33	10	81
?	Italy	2012	2	26	44	72
	Israel		14	34	35	83
	Ireland		1	5	15	21
	Iran	2017	33	69	25	127
	Indonesia	2022	5	37	47	89
	India		3	25	42	70
	Iceland		0	0	3	3
	Hungary	1996, 2023	16	38	52	106
?	Hong Kong, China		7	37	51	95
?	Honduras		0	0	0	0
?	Greece	1991, 2004	0	6	33	39
	Ghana		0	0	0	0
	Germany	1992	15	32	52	99
?	German Democratic Republic		0	3	0	3
	Georgia		7	13	44	64
?	Gabon		0	0	0	0
	France		3	21	42	66
	Finland	2001	5	28	48	81
	Estonia		5	20	43	68
	El Salvador		0	0	0	0
?	Egypt	2008, 2024	0	8	28	36
	Ecuador		0	0	0	0
	Dominican Republic		0	0	0	0
	Denmark		3	6	24	33
?	Czechoslovakia		3	4	2	9
	Czech Republic		16	29	54	99
	Cyprus		0	2	11	13
	Cuba		0	8	31	39
	Croatia	2007	16	46	48	110
	Costa Rica		0	0	0	0
	Colombia		0	2	10	12
	China	2000	106	28	12	146
?	Chile		0	0	4	4
	Canada	2010	23	36	42	101
	Bulgaria	1989, 2009	29	57	45	131
	Brazil		3	20	41	64
	Bosnia and Herzegovina		0	1	10	11
	Bolivia	2025	0	0	0	0
	Belgium		0	3	13	16
?	Belarus		16	42	44	102
	Bangladesh		1	7	25	33
	Azerbaijan	2019	0	2	14	16
	Austria		3	6	30	39
	Australia	2013	10	31	41	82
	Armenia		1	8	37	46
?	Argentina	1993	3	9	26	38
	Algeria		0	0	1	1
	Albania		0	0	0	0

* According to S2.1 of IOI Regulations: "For the IOI, a Country is a state that has an officially recognised relationship with the United Nations, UNESCO, or which has already taken part in one or more past IOIs".