National Pension (Kokumin Nenkin) for Foreigners in Japan: Do You Have to Pay?
Short answer: in most cases, yes — nationality doesn't exempt you. Here's who's covered, common exemptions, and what happens to your contributions if you leave Japan for good.
Who is required to be covered
Japan's public pension system generally requires everyone registered as a resident in Japan, aged 20 to 59, to be enrolled in either Employees' Pension Insurance (Kosei Nenkin) — if you're enrolled through an employer — or National Pension (Kokumin Nenkin) if you're not covered by an employer plan. This applies regardless of nationality: being a foreign resident does not exempt you.
Employees' Pension vs. National Pension
If you work for a company that enrolls you in shakai hoken (social insurance), your pension contributions are usually deducted from your salary automatically as Employees' Pension Insurance. If you're self-employed, a student, between jobs, or otherwise not covered by an employer's plan, you're generally responsible for enrolling in and paying National Pension yourself at your local municipal office.
Exemptions and reductions
If your income is low, you may be able to apply for a full or partial exemption, or a payment deferral, rather than simply not paying. Not paying without applying for an official exemption can leave you with an unpaid balance and does not count toward future benefits. Students have a dedicated deferral scheme. Applications are made at your municipal office.
Not sure whether you're currently covered, exempt, or falling behind? ResidenceTrack is building a checklist that tells you what applies to your specific visa and work situation.
See the checklist toolWhat if you leave Japan permanently?
Foreign nationals who have paid into the National Pension or Employees' Pension system for a minimum period, and who leave Japan without acquiring Japanese nationality, can generally apply for a one-time Lump-sum Withdrawal Payment (脱退一時金) after departure. There is a time limit to apply after leaving, and the payout is capped and does not reflect the full amount you paid in. It's worth checking your eligibility before you leave, not after the application window closes.
Sources
This is general information for a market research prototype, not tax or pension advice. Coverage rules, exemption criteria, and payout amounts can change — always verify with the Japan Pension Service or your municipal office before you act.