State of Origin results and statistics have been accumulating since the 1980 State of Origin game. Every game played under State of Origin selection rules, including the additional 1987 exhibition match and the matches played between New South Wales and Queensland for the Super League Tri-series are detailed below unless stated otherwise.
Results Series matches
Queensland have won 25 series, whilst New South Wales have won 17. As of 2025, there have been two drawn series (1999 and 2002). On both occasions, Queensland retained the shield as the winner of the previous series.