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	109	29	12	150
	Romania		39	61	39	139
	Poland	2005	47	55	36	138
?	Republic of Korea	2002	55	51	29	135
	Bulgaria	1989, 2009	30	58	47	135
?	Vietnam		23	55	55	133
	United States of America	2003	71	43	17	131
	Iran	2017	33	71	26	130
	Taiwan	2014	27	66	30	123
?	Thailand	2011	15	40	68	123
	Russia	2016	68	40	12	120
	Croatia	2007	16	47	51	114
	Slovakia		26	46	40	112
	Singapore	2020, 2021	18	49	45	112
	Hungary	1996, 2023	16	40	54	110
	Ukraine		14	44	52	110
	Canada	2010	23	38	44	105
	Czech Republic		16	29	58	103
	Germany	1992	15	34	54	103
?	Belarus		16	42	44	102
?	Hong Kong, China		9	38	51	98
	Indonesia	2022	5	37	51	93
	Latvia		8	25	57	90
?	Türkiye	1999	5	31	54	90
	Australia	2013	12	35	42	89
	Lithuania		2	31	55	88
?	Sweden	1994	13	31	42	86
	Japan	2018	40	34	11	85
	Israel		14	34	35	83
	United Kingdom		8	25	50	83
	Finland	2001	5	29	48	82
?	Kazakhstan	2015	4	33	42	79
?	Italy	2012	2	27	45	74
	India		3	26	43	72
	Estonia		6	20	43	69
	Brazil		4	21	43	68
	France		3	21	44	68
	Netherlands	1995	4	19	44	67
	Georgia		7	14	45	66
	South Africa	1997	4	13	49	66
	Serbia		1	22	39	62
	Switzerland		2	13	39	54
	Armenia		1	8	37	46
?	Moldova		0	9	33	42
?	Greece	1991, 2004	0	6	36	42
?	Argentina	1993	3	9	28	40
	Austria		3	6	30	39
	Cuba		0	8	31	39
?	Slovenia		1	7	30	38
?	Egypt	2008, 2024	0	8	29	37
?	Serbia and Montenegro		2	15	17	34
	Mexico	2006	1	3	30	34
	Denmark		3	6	24	33
?	Spain		1	9	23	33
	Bangladesh		1	7	25	33
?	North Macedonia		0	7	26	33
	Malaysia		4	8	17	29
	New Zealand		0	3	26	29
?	Macao, China		0	7	21	28
	Sri Lanka		3	7	17	27
	Kyrgyzstan		0	5	22	27
	Philippines		1	4	17	22
	Ireland		1	5	15	21
?	Syria		0	3	17	20
	Belgium		0	3	16	19
	Azerbaijan	2019	0	2	17	19
	Luxembourg		0	1	15	16
?	Norway		1	3	11	15
	Cyprus		0	3	12	15
?	Mongolia		1	2	11	14
	Colombia		0	2	11	13
	Bosnia and Herzegovina		0	1	11	12
?	Portugal	1998	0	2	9	11
?	Tajikistan		0	3	7	10
?	Czechoslovakia		3	4	2	9
?	Uzbekistan	2026	0	2	7	9
	Saudi Arabia		0	1	8	9
?	Soviet Union	1990	3	4	1	8
?	Turkmenistan		1	0	6	7
	Pakistan		0	0	7	7
?	Yugoslavia		1	3	1	5
?	Jordan		0	1	4	5
?	Morocco		0	1	3	4
?	Chile		0	0	4	4
?	German Democratic Republic		0	3	0	3
	Iceland		0	0	3	3
?	Trinidad and Tobago		0	0	3	3
?	Malta		0	0	2	2
?	Palestine		0	0	2	2
	Tunisia		0	0	2	2
	Algeria		0	0	1	1
?	Montenegro		0	0	1	1
	Peru		0	0	1	1
?	Venezuela		0	0	1	1
	Albania		0	0	0	0
	Bolivia	2025	0	0	0	0
	Costa Rica		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".