EGOI 2025 welcomes participants from these European and non-European countries on-site in Bonn:
- Armenia
- Australia
- Austria
- Azerbaijan
- Bosnia and Herzegovina
- Brazil
- Bulgaria
- Canada
- Croatia
- Cyprus
- Czech Republic
- Denmark
- Egypt
- Estonia
- Finland
- France
- Georgia
- Germany
- Greece
- Hong Kong
- Hungary
- Iceland
- India
- Ireland
- Israel
- Italy
- Japan
- Kyrgyzstan
- Latvia
- Lithuania
- Luxembourg
- Mexico
- Moldova
- Morocco
- Netherlands
- New Zealand
- North Macedonia
- Norway
- Poland
- Romania
- Saudi Arabia
- Serbia
- Singapore
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- Turkiye
- Ukraine
- United Kingdom
- USA
- Uzbekistan
Furthermore, we have delegations participating online from
- Algeria
- Kazakhstan
- Kosovo
- Malaysia
- Mongolia
- Tajikistan
- Tunisia