| Team | Winners |
| United States | 3 |
| Japan | 2 |
| Year | Host | Winner (Head Coach) | Score (Tournement MVP) | Runner-up |
|---|---|---|---|---|
| 1999 | Italy | Japan | 6–0 | Mexico |
| 2003 | Germany | Japan | 34–14 | Mexico |
| 2007 | Japan | United States John Mackovic | 23–20 | Japan |
| 2011 | Austria | United States Mel Tjeerdsma | 50–7 Nate Kmic (United States) | Canada |
| 2015 | United States | United States Dan Hawkins | 59–12 | Japan |
| 2019 | Postponed to 2023 | |||
| 2023 | Australia |