In 2021, due to pandemic conditions and the restrictions on international travel, in-person exchanges were replaced by virtual meetings. Delegations comprised of 135 international dignitaries representing 45 countries, dependencies, and areas of special sovereignty. Ranked by number of visitors, they are as follows:
| JAPAN | 16 | BAHAMAS | 1 |
| EGYPT | 15 | BULGARIA | 1 |
| MEXICO | 12 | CHILE | 1 |
| INDONESIA | 11 | DJIBOUTI | 1 |
| CZECH REPUBLIC | 8 | DOMINICAN REPUBLIC | 1 |
| GERMANY | 8 | ETHIOPIA | 1 |
| CHINA | 6 | FRANCE | 1 |
| BRAZIL | 5 | GHANA | 1 |
| CROATIA | 3 | GREECE | 1 |
| NEW ZEALAND | 3 | HAITI | 1 |
| PERU | 3 | HONDURAS | 1 |
| POLAND | 3 | KENYA | 1 |
| CANADA | 2 | MICRONESIA | 1 |
| GUYANA | 2 | MONTENEGRO | 1 |
| ITALY | 2 | PANAMA | 1 |
| ROMANIA | 2 | PARAGUAY | 1 |
| SERBIA | 2 | PORTUGAL | 1 |
| SIERRA LEONE | 2 | REPUBLIC OF NORTH MACEDONIA | 1 |
| SPAIN | 2 | RWANDA | 1 |
| TURKEY | 2 | SOUTH SUDAN | 1 |
| ALBANIA | 1 | UNITED KINGDOM | 1 |
| ARMENIA | 1 | ||
| AUSTRALIA | 1 | ||
| The delegations studied a wide range of subjects, which are ranked below according to the number of visitors who studied them: | |||
| SUBJECT | # VISITORS | SUBJECT | # VISITORS |
| Gender | 35 | International Trade/Economic Development | 11 |
| International Relations/Protocol | 28 | Transportation | 11 |
| High Tech | 26 | Public Safety | 5 |
| Environment | 15 | ||
Note: As some delegations studied more than one subject, the subject area numbers will not coincide with the number of visitors. | |||