In this paper, I will show the past and present status of Muslim population in Japan at the year of 2024/2025. Regarding the Muslim population in Japan at the end of 2023/the beginning of 2024, the estimated In this report, the latest estimate will be conducted making use of “Statistics on the Foreigners In this paper, I will describe the status of the Muslim population at the end of 2024 in Japan and present the In this paper, I will describe the status of the Muslim population at the end of 2024 in Japan and present the number of mosques in Japan at July 2025 in details.