Regular participating countries at the IOI:

Albania	Argentina	Armenia	Australia
Austria	Azerbaijan	Bangladesh	Belarus
Belgium	Bosnia and Herzegovina	Brazil	Bulgaria
Canada	Chile	China	Chinese Taipei
Colombia	Croatia	Cuba	Cyprus
Czech Republic	Denmark	Egypt	Estonia
Finland	France	Georgia	Germany
Ghana	Greece	Hong Kong, China	Hungary
India	Indonesia	Iran	Ireland
Israel	Italy	Japan	Kazakhstan
Korea, Republic of	Kuwait	Kyrgyzstan	Latvia
Libya	Lithuania	Luxemburg	Macau, China
Macedonia, FYRO	Malaysia	Mexico	Moldova
Mongolia	Montenegro	Netherlands	New Zealand
Nigeria	Norway	Poland	Portugal
Romania	Russian Federation	Saudi Arabia	Serbia
Singapore	Slovakia	Slovenia	South Africa
Spain	Sri Lanka	Sweden	Switzerland
Syria	Tajikistan	Thailand	Trinidad and Tobago
Turkey	Turkmenistan	Ukraine	United Arab Emirates
United Kingdom	United States of America	Venezuela	Viet Nam