IOI
International Olympiad in Informatics – Statistics
Countries*
CountryIOI HostMedals
GSBTotal
China20001022812142
Russia2016684012120
United States of America2003683916123
?Republic of Korea2002495028127
Poland2005445235131
Japan201837301077
Romania346037131
Iran2017326724123
Bulgaria1989, 2009275545127
Slovakia264536107
Taiwan2014256230117
Canada201022354097
?Vietnam215154126
Singapore2020, 2021164543104
Croatia2007164447107
?Belarus164244102
Czech Republic16295297
?Thailand2011153862115
Germany199215325198
Hungary1996, 2023143850102
Israel14343583
Ukraine134149103
?Sweden199413304184
Australia201310293978
Latvia8255588
United Kingdom8204876
?Hong Kong, China7354991
Georgia7134363
Indonesia20225364485
Finland20015284780
Estonia5204267
?Türkiye19994285183
Netherlands19954184365
South Africa19974134764
?Kazakhstan20153274171
India3244067
France3204164
Brazil3184061
?Argentina1993392537
Sri Lanka371727
Austria362938
Denmark362433
?Czechoslovakia3429
?Soviet Union19903418
Lithuania2315184
?Italy20122244470
?Serbia and Montenegro2151734
Switzerland2103547
Serbia1213456
Armenia183342
?Slovenia172937
?Spain172028
Bangladesh162431
Malaysia161421
Ireland151521
Mexico2006132630
?Norway131115
?Yugoslavia1315
?Mongolia121013
?Turkmenistan1067
Cuba083038
?Moldova073239
?Macao, China071825
?Greece1991, 2004063137
?Egypt2008, 2024062834
?North Macedonia042428
Philippines041418
Kyrgyzstan031821
Belgium031215
?Tajikistan0369
?German Democratic Republic0303
New Zealand022325
?Syria021618
Colombia02911
Cyprus02911
?Portugal199802911
Luxembourg011516
Azerbaijan2019011213
Bosnia and Herzegovina011011
?Jordan0145
Saudi Arabia0066
?Chile0044
Iceland0033
?Morocco0033
?Trinidad and Tobago0033
?Uzbekistan0033
?Malta0022
Pakistan0022
Tunisia0022
Algeria0011
?Montenegro0011
?Palestine0011
Peru0011
?Venezuela0011
Albania0000
Bolivia0000
Dominican Republic0000
Ecuador0000
El Salvador0000
?Gabon0000
Ghana0000
?Honduras0000
?Kenya0000
?Kuwait0000
?Libya0000
Madagascar0000
?Mauritius0000
?Mozambique0000
?Nigeria0000
Rwanda0000
United Arab Emirates0000
Zimbabwe0000

* 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".