Contestants

Following are contestants of the 16th IOAA:

Armenia
Australia
Azerbaijan
Bangladesh
Brazil
Bulgaria
Canada
China

Colombia
Croatia

Cyprus
Czechia
Ecuador

Estonia
Georgia

Germany
Greece

Hungary
India

Indonesia
Iran

Italy
Japan
Kazakhstan

Kyrgyzstan
Latvia
Lithuania

Malaysia
Nepal

Netherlands
Norway

Pakistan
Paraguay
Philippines
Poland
Portugal
Qatar

Romania
Singapore
Slovakia
Slovenia
South Korea

Sri Lanka
Sweden
Thailand

Turkey
Ukraine
United Arab Emirates

United Kingdom
United States of America
Vietnam