There were 1928 registration from 68 countries. 1677 private events and 241 public events.
Participating countries 2021
| AMERICAS | EUROPE | ASIA | AFRICA | OTHER |
|---|---|---|---|---|
| Brazil | Greece | India | Benin | Australia |
| Canada | Spain | Laos | Niger | Hong Kong |
| Colombia | United Kingdom | Nepal | Gambia | Philippines |
| Panama | Czech Republic | Bhutan | Botswana | Sri Lanka |
| United States | Bulgaria | China | Rwanda | New Zealand |
| Dominican Republic | Croatia | Egypt | Burkina Faso | Trinidad and Tobago |
| Ecuador | Germany | Israel | Liberia | Jamaica |
| Costa Rica | Switzerland | Malaysia | Nigeria | |
| Venezuela | Austria | Thailand | Uganda | |
| Guatemala | Poland | Taiwan | Ethiopia | |
| El Salvador | Belgium | Pakistan | ||
| France | South Korea | |||
| Slovakia | Jordan | |||
| Belarus | Ukraine | |||
| Moldova | Saudi Arabia | |||
| Mongolia | ||||
| Bangladesh | ||||
| Mexico | Lithuania | Russia |