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		21	51	54	126
?	Venezuela		0	0	1	1
?	Uzbekistan		0	0	3	3
	United States of America	2003	68	39	16	123
	United Kingdom		8	20	48	76
	United Arab Emirates		0	0	0	0
	Ukraine		13	41	49	103
?	Turkmenistan		1	0	6	7
?	Türkiye	1999	4	28	51	83
	Tunisia		0	0	2	2
?	Trinidad and Tobago		0	0	3	3
?	Thailand	2011	15	38	62	115
?	Tajikistan		0	3	6	9
	Taiwan	2014	25	62	30	117
?	Syria		0	2	16	18
	Switzerland		2	10	35	47
?	Sweden	1994	13	30	41	84
	Sri Lanka		3	7	17	27
?	Spain		1	7	20	28
?	Soviet Union	1990	3	4	1	8
	South Africa	1997	4	13	47	64
?	Slovenia		1	7	29	37
	Slovakia		26	45	36	107
	Singapore	2020, 2021	16	45	43	104
?	Serbia and Montenegro		2	15	17	34
	Serbia		1	21	34	56
	Saudi Arabia		0	0	6	6
	Rwanda		0	0	0	0
	Russia	2016	68	40	12	120
	Romania		34	60	37	131
?	Republic of Korea	2002	49	50	28	127
?	Portugal	1998	0	2	9	11
	Poland	2005	44	52	35	131
	Philippines		0	4	14	18
	Peru		0	0	1	1
?	Palestine		0	0	1	1
	Pakistan		0	0	2	2
?	Norway		1	3	11	15
?	North Macedonia		0	4	24	28
?	Nigeria		0	0	0	0
	New Zealand		0	2	23	25
	Netherlands	1995	4	18	43	65
?	Mozambique		0	0	0	0
?	Morocco		0	0	3	3
?	Montenegro		0	0	1	1
?	Mongolia		1	2	10	13
?	Moldova		0	7	32	39
	Mexico	2006	1	3	26	30
?	Mauritius		0	0	0	0
?	Malta		0	0	2	2
	Malaysia		1	6	14	21
	Madagascar		0	0	0	0
?	Macao, China		0	7	18	25
	Luxembourg		0	1	15	16
	Lithuania		2	31	51	84
?	Libya		0	0	0	0
	Latvia		8	25	55	88
	Kyrgyzstan		0	3	18	21
?	Kuwait		0	0	0	0
?	Kenya		0	0	0	0
?	Kazakhstan	2015	3	27	41	71
?	Jordan		0	1	4	5
	Japan	2018	37	30	10	77
?	Italy	2012	2	24	44	70
	Israel		14	34	35	83
	Ireland		1	5	15	21
	Iran	2017	32	67	24	123
	Indonesia	2022	5	36	44	85
	India		3	24	40	67
	Iceland		0	0	3	3
	Hungary	1996, 2023	14	38	50	102
?	Hong Kong, China		7	35	49	91
?	Honduras		0	0	0	0
?	Greece	1991, 2004	0	6	31	37
	Ghana		0	0	0	0
	Germany	1992	15	32	51	98
?	German Democratic Republic		0	3	0	3
	Georgia		7	13	43	63
?	Gabon		0	0	0	0
	France		3	20	41	64
	Finland	2001	5	28	47	80
	Estonia		5	20	42	67
	El Salvador		0	0	0	0
?	Egypt	2008, 2024	0	6	28	34
	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	52	97
	Cyprus		0	2	9	11
	Cuba		0	8	30	38
	Croatia	2007	16	44	47	107
	Colombia		0	2	9	11
	China	2000	102	28	12	142
?	Chile		0	0	4	4
	Canada	2010	22	35	40	97
	Bulgaria	1989, 2009	27	55	45	127
	Brazil		3	18	40	61
	Bosnia and Herzegovina		0	1	10	11
	Bolivia		0	0	0	0
	Belgium		0	3	12	15
?	Belarus		16	42	44	102
	Bangladesh		1	6	24	31
	Azerbaijan	2019	0	1	12	13
	Austria		3	6	29	38
	Australia	2013	10	29	39	78
	Armenia		1	8	33	42
?	Argentina	1993	3	9	25	37
	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".