| Seasons | Premiers | Teams | Players | Coaches | Honours/Records |
Format: Under-21
First season: 1961
Number of teams: 14
Current Premiers: Melbourne Storm (1st title)
Most Premierships: Canterbury Bulldogs (11 titles)
| Season | Grand Final | Minor Premiers | |
| 2018 | Cronulla Sharks 22 – 12 Penrith Panthers | Newcastle Knights | |
| 2019 | South Sydney Rabbitohs 16 – 14 Canberra Raiders | Cronulla Sharks | |
| 2020 | None | None | |
| 2021 | None | None | |
| 2022 | Penrith Panthers 19 – 18 Newcastle Knights | Sydney Roosters | |
| 2023 | Canterbury Bulldogs 22 – 20 Sydney Roosters | Sydney Roosters | |
| 2024 | Canterbury Bulldogs 14 – 12 Cronulla Sharks | Canberra Raiders | |
| 2025 | Melbourne Storm 38 – 16 Penrith Panthers | Melbourne Storm |