| 2025 | New South Wales | Victoria |
| 2024 | Queensland / South Australia | Victoria |
| 2023 | Victoria | |
| 2022 | Queensland | |
| 2020/21 | No championship due to COVID | |
| 2019 | Queensland | |
| 2018 | South Australia | |
| 2017 | New South Wales | |
| 2016 | Victoria | |
| 2015 | Victoria | |
| 2014 | Victoria | |
| 2013 | Victoria | |
| 2012 | Victoria | |
| 2011 | New South Wales / Victoria | |
| 2010 | Victoria | |
| 2009 | South Australia | |
| 2008 | Queensland | |
| 2007 | New South Wales | |
| 2006 | South Australia | |
| 2005 | South Australia | |
| 2004 | Victoria | |
| 2003 | Victoria | |
| 2002 | Victoria | |
| 2001 | Victoria | |
| 2000 | New South Wales | |
| 1999 | South Australia | |
| 1995 – | Not endorsed (Nat Sports Junior Policy) | |
| 1994 | Victoria | |
| 1993 | Victoria | |
| 1992 | Queensland | |
| 1991 | Queensland | |
| 1990 | South Australia / Queensland | |
| 1989 | South Australia | |
| 1988 | South Australia | |
| 1987 | Queensland | |
| 1986 | Queensland | |
| 1985 | South Australia | |
| 1984 | South Australia | |
| 1983 | New South Wales / South Australia | |
| 1982 | New South Wales / South Australia | |
| 1981 | South Australia | |
| 1980 | Queensland | |
| 1979 | New South Wales / South Australia | |
| 1978 | New South Wales | |
| 1977 | New South Wales | |
| 1976 | South Australia | |
| 1975 | South Australia | |
| 1974 | South Australia | |
| 1973 | South Australia | |
| 1972 | New South Wales | |
| 1970 | New South Wales | |
| PREVIOUS WINNERS OF THE PRIMARY EXCHANGE INTERSTATE JUNIOR TROPHY | (introduced 1950) | – held in conjunction with the Senior competition |
| 1965 -1970 | Junior competition ceased | |
| 1964 | South Australia | |
| 1963 | Western Australia | |
| 1962 | South Australia | |
| 1961 | South Australia | |
| 1960 | South Australia | |
| 1959 | South Australia | |
| 1958 | Western Australia | |
| 1957 | Western Australia | |
| 1956 | Queensland | |
| 1955 | South Australia | |
| 1954 | South Australia | |
| 1953 | Queensland | |
| 1952 | Tasmania | |
| 1951 | Victoria | |
| 1950 | Queensland | |
