Bay of Plenty has passed Waikato as the fourth biggest rugby union in New Zealand in terms of player numbers.
New Zealand Rugby data showed a two per cent overall increase to lift Bay of Plenty above 10,000 players to go past Waikato and be just 500 players behind third-placed Wellington.
Bay of Plenty Rugby's operations manager Neil Alton says growth in under-13 aged players was the decisive factor in moving past Waikato.
"That is both through our club system, Saturday morning rugby and a couple of initiatives that we have been growing in year round rippa rugby and schoolgirl rugby," Alton said.
"At secondary school level we got a small gain again this year in playing numbers, which was a tick for us as nationally secondary school numbers aren't increasing.