Rubuta ci gaba don wannan sakin layi - Bayan gasar 2017, an ba da sanarwar cewa za a fadada gasar zuwa kungiyoyi 10 don 2019, an buga shi da kungiyoyi 8 tun daga gasar farko a 1990, sai dai a 2004, 2007, 2008, da 2009, inda kungiyoyi 9 suka buga. Buga na 2004 ya kunshi kungiyoyi 9 lokacin da aka daga Japan daga Division II amma babu wata kungiya da ta sauka daga Babbar Division a 2003, saboda soke gasar manyan rukuni a China saboda barkewar cutar SARS. Kungiyoyi biyu sun sauka daga Babban Rukunin a shekara ta 2004, suna komawa zuwa kungiyoyi 8 a shekara ta 2005, amma saboda nasarar rukunin kungiyoyi 9 a shekara ta 2004, IIHF ta yanke shawarar sake fadadawa zuwa kungiyoyi 9 a shekara ta 2007
Ka yi haƙuri. IIHF ya koma kungiyoyi 8 bayan gasar 2009, kuma wasan ya ci gaba a wannan tsari har zuwa fadada 2019.