On June 13 of 2025, pension reform laws were approved at Japanese Diets. Japanese pension systems are basically revised every 5 years.

Japanese government is now being in the process of their official proclamation. Within 4 years after official proclamation, the following reform is to be implemented.

When official proclamation is done we will upload our report on this blog.

Each country has a designated currency for international transfer, that cannot be changed
Japanese pension refunds (Lump-sum Withdrawal Payments) are transferred internationally via Mitsubishi UFJ bank on behalf of the government. Each country has a designated currency for transfers from Japan, that cannot be changed.

Non-Japanese persons are permitted to claim their pension refunds (Lump-sum Withdrawal Payments) within 2 years after “you do not have an address in Japan”.
In Japanese resident registration system all residents who are going to move out of Japan shall submit Moving-out

3-4 months at minimum but possibly longer
You can submit claiming papers of your Japanese lump-sum pension refund (Lump-sum Withdrawal Payments) to Japan Pension Service

Table : How the amount of Pension Refund is calculated

Kosei Nenkin (厚生年金, こうせいねんきん) covers people who are employed by companies.

You can claim income tax refunds for salaries you had received in Japan for past 5 years.

This is the list of years whose tax refunds Japanese tax office accepts: