Participating Countries

Over 90 countries represented in the International Chemistry Olympiad 2026.

• Afghanistan
• Argentina
• Armenia
• Australia
• Austria
• Azerbaijan
• Bangladesh
• Belgium
• Brazil
• Bulgaria
• Canada
• China
• Chinese Taipei
• Costa Rica
• Croatia
• Cuba
• Cyprus
• Czech Republic
• Denmark
• Ecuador
• El Salvador
• Estonia
• Finland
• France
• Georgia
• Germany
• Ghana
• Greece
• Honduras
• Hungary
• Iceland
• India
• Indonesia
• Iran
• Iraq
• Ireland
• Israel
• Italy
• Japan
• Jordan
• Kazakhstan
• Korea
• Kuwait
• Kyrgyzstan
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Malaysia
• Mexico
• Moldova
• Mongolia
• Montenegro
• Morocco
• Nepal
• Netherlands
• New Zealand
• Nigeria
• North Macedonia
• Norway
• Oman
• Pakistan
• Paraguay
• Peru
• Philippines
• Poland
• Portugal
• Qatar
• Romania
• Saudi Arabia
• Serbia
• Singapore
• Slovakia
• Slovenia
• South Africa
• Spain
• Sri Lanka
• Sweden
• Switzerland
• Syria
• Tajikistan
• Thailand
• Trinidad and Tobago
• Türkiye
• Turkmenistan
• Ukraine
• United Arab Emirates
• United Kingdom
• United States of America
• Uruguay
• Uzbekistan
• Venezuela
• Vietnam