How many people in japan still follow muslims

100,000 total

Explanation:

Japan Muslim population

Muslim demographics

Most estimates of the Muslim population give a range around 100,000 total. Islam remains a minority religion in Japan, and there is no evidence as to whether its numbers are increasing.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

it increase by 12% a year from 1812-1820