Tourists from 68 countries are allowed entry to Japan without any kind of visa as of July 2017. The period of stay, however, depends from country to country.
15 days ➔ Brunei, Indonesia, Thailand
30 days ➔ United Arab Emirates
Tourists from the countries written below can stay up to 90 days in Japan without visa. Countries with an asterisk (*) in front of them need to have one of the following, depending on your country:
An ePassport in compliance with ICOA (International Civil Aviation Organization) standards, SAR (Special Administrative Region) or BNO (British National Overseas) passport, a passport including a personal identification number, a Machine-Readable Passport (MRP).
Republic of Korea
* Hong Kong
Former Yugoslav Republic of Macedonia
* United Kingdom
Click here for more in-depth information.