Teams
Current
- Canada
- Chile
- England
- France
- Greece
- Malta
- Montenegro
- North Macedonia
- Norway
- Serbia
- United States of America
Former
- Albania
- Australia
- Australia Prime Minister's XIII
- Brazil
- Bulgaria
- Cook Islands
- Czech Republic
- El Salvador
- Fiji
- Germany
- Italy
- Jamaica
- Japan
- Kenya
- Lebanon
- New Zealand
- PNG Prime Minister's XIII
- Papua New Guinea
- Philippines
- Poland
- Samoa
- South Africa
- Spain
- Thailand
- The Netherlands
- Tonga
- Türkiye
- Ukraine
- Wales