NHK interviewed prefectural boards of education nationwide about this temporary license. Number of issuances in the last fiscal year (FY Reiwa 4) was 1,572, exceeding 24,1 for the first time since FY<>, when accurate records are kept.

Elementary schools account for 4866,2504 cases, followed by high schools with 2172,46 cases. Fukuoka Prefecture has the highest number of temporary licenses ever issued and the second highest number in Japan, "temporary licenses" have become the "trump card" for securing teachers.