Unfortunately the NRL and some of its clubs are less than open about their membership numbers of late, these are compiled from club websites and other available information as it comes to hand, with the assistance of the team at Leagueunlimited.com
Please feel free to use any of the data in this sheet – https://docs.google.com/spreadsheets/d/1XokCgj2VrThY_Udd4c6e4sW2WprRK3UtP6oob_VXM20/edit?usp=sharing
