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
	China	2000	100	27	12	139
	Russia	2016	68	40	12	120
	United States of America	2003	65	38	16	119
?	Republic of Korea	2002	48	47	28	123
	Poland	2005	42	50	35	127
	Japan	2018	35	28	10	73
	Romania		33	58	36	127
	Iran	2017	31	65	23	119
	Bulgaria	1989, 2009	27	51	45	123
	Taiwan	2014	25	61	27	113
	Slovakia		25	45	35	105
	Canada	2010	20	35	40	95
?	Vietnam		19	50	53	122
	Croatia	2007	16	44	43	103
	Singapore	2020, 2021	16	43	41	100
?	Belarus		16	42	44	102
	Czech Republic		16	28	50	94
?	Thailand	2011	15	36	60	111
	Germany	1992	15	32	49	96
	Ukraine		13	38	48	99
	Hungary	1996, 2023	13	37	50	100
?	Sweden	1994	13	30	39	82
	Israel		11	34	34	79
	Australia	2013	10	29	39	78
	Latvia		7	25	55	87
	United Kingdom		7	19	47	73
	Georgia		7	13	42	62
?	Hong Kong		6	33	49	88
	Indonesia	2022	5	33	43	81
	Finland	2001	5	26	47	78
	Estonia		5	20	40	65
	Netherlands	1995	4	18	41	63
	South Africa	1997	4	13	45	62
?	Türkiye	1999	3	26	50	79
?	Kazakhstan	2015	3	24	40	67
	France		3	18	39	60
	Brazil		3	18	37	58
?	Argentina	1993	3	9	23	35
	Sri Lanka		3	7	17	27
	Denmark		3	6	23	32
	Austria		3	5	28	36
?	Czechoslovakia		3	4	2	9
?	Soviet Union	1990	3	4	1	8
	Lithuania		2	31	49	82
?	Italy	2012	2	24	40	66
	India		2	22	39	63
?	Serbia and Montenegro		2	15	17	34
	Switzerland		2	9	33	44
	Serbia		1	20	31	52
	Armenia		1	7	32	40
?	Slovenia		1	6	29	36
	Ireland		1	5	15	21
	Malaysia		1	4	13	18
	Mexico	2006	1	3	25	29
?	Yugoslavia		1	3	1	5
?	Mongolia		1	2	8	11
?	Turkmenistan		1	0	6	7
	Cuba		0	8	29	37
?	Macau		0	7	17	24
?	Moldova		0	6	31	37
?	Greece	1991, 2004	0	6	29	35
?	Egypt	2008	0	6	25	31
	Bangladesh		0	6	22	28
?	Spain		0	6	20	26
?	Macedonia		0	3	24	27
	Philippines		0	3	13	16
	Belgium		0	3	12	15
?	Norway		0	3	10	13
?	Tajikistan		0	3	6	9
?	German Democratic Republic		0	3	0	3
?	Syria		0	2	15	17
	Colombia		0	2	9	11
?	Portugal	1998	0	2	9	11
	Cyprus		0	2	7	9
	New Zealand		0	1	22	23
	Kyrgyzstan		0	1	17	18
	Luxembourg		0	1	15	16
	Azerbaijan	2019	0	1	11	12
	Bosnia and Herzegovina		0	1	9	10
?	Jordan		0	1	4	5
?	Chile		0	0	4	4
	Saudi Arabia		0	0	4	4
	Iceland		0	0	3	3
?	Trinidad and Tobago		0	0	3	3
?	Malta		0	0	2	2
?	Morocco		0	0	2	2
	Tunisia		0	0	2	2
?	Uzbekistan		0	0	2	2
?	Montenegro		0	0	1	1
?	Palestine		0	0	1	1
	Peru		0	0	1	1
?	Venezuela		0	0	1	1
	Albania		0	0	0	0
	Bolivia		0	0	0	0
	Dominican Republic		0	0	0	0
	Ecuador		0	0	0	0
?	El Salvador		0	0	0	0
?	Gabon		0	0	0	0
	Ghana		0	0	0	0
?	Honduras		0	0	0	0
?	Kenya		0	0	0	0
?	Kuwait		0	0	0	0
?	Libya		0	0	0	0
	Madagascar		0	0	0	0
?	Mauritius		0	0	0	0
?	Mozambique		0	0	0	0
?	Nigeria		0	0	0	0
	United Arab Emirates		0	0	0	0
	Zimbabwe		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".