In 2015, total 181,810 religious corporations are registered on the official list. If a religious corporation registered themselves to the ministry or local governments, they can get tax incentives.
The following data show the breakdown of registered religious corporations in Japan, as of 2015.
Table1: Number of nationwide registered religious corporations by religion.
Table2: Number of local registered religious corporations by religion.
Source is Ministry of Education, Culture, Sports, Science and Technology. 宗教統計調査