| # | Season | Champion | Runner-up | Third Place | Fourth Place |
|---|---|---|---|---|---|
| 1 | 2024-2025 |
New Zealand
|
Australia
|
Canada
|
United States
|
| 2 | 2023-2024 |
Australia
|
France
|
New Zealand
|
Canada
|
| 3 | 2023-2024 |
New Zealand (*)
|
Australia
|
France
|
United States
|
| 4 | 2022-2023 |
New Zealand
|
Australia
|
United States
|
France
|
| 5 | 2021-2022 |
Australia
|
France
|
Fiji
|
Ireland
|
| 6 | 2020-2021 |
New Zealand
|
Canada
|
Australia
|
France
|
| 7 | 2019-2020 |
New Zealand
|
Australia
|
Canada
|
France
|
| 8 | 2018-2019 |
New Zealand
|
United States
|
Canada
|
Australia
|
| 9 | 2017-2018 |
Australia
|
New Zealand
|
France
|
Canada
|
| 10 | 2015-2016 |
Australia
|
New Zealand
|
Canada
|
England
|
| 11 | 2014-2015 |
New Zealand
|
Canada
|
Australia
|
United States
|
| 12 | 2013-2014 |
New Zealand
|
Australia
|
Canada
|
England
|
| 13 | 2012-2013 |
New Zealand
|
England
|
Canada
|
United States
|
Source: World Rugby