Under-18 Origin — Teams
| Team | Seasons | Matches | P | W | D | L | PF | PA | Players |
|---|---|---|---|---|---|---|---|---|---|
| NSW New South Wales | 1989, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 | 14 | 14 | 11 | 0 | 3 | 339 | 186 | 202 |
| NCNN NSW City | 2021, 2022, 2023, 2024, 2025, 2026 | 6 | 6 | 6 | 0 | 0 | 262 | 66 | 102 |
| NCNNS NSW Country | 2021, 2022, 2023, 2024, 2025, 2026 | 6 | 6 | 0 | 0 | 6 | 66 | 262 | 108 |
| QUE Queensland | 1989, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 | 14 | 14 | 3 | 0 | 11 | 186 | 339 | 202 |