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