NationalPension
National Pension Back-Payment (Tsuinō)
国民年金保険料の追納制度
In short: Pay premiums later for exempted/deferred months (within 10 years) to raise your pension; payments are deductible.People who had an exemption, payment deferral or student deferral (partial exemptions only if the partial premium was paid).(Source: www.nenkin.go.jp, verified on 2026-10-15)
Validity: FY2026 back-payment amounts per nenkin page (updated 2026-04-01). Verified on 2026-10-15. Official source: https://www.nenkin.go.jp/service/kokunen/menjo/20150331.html
Who qualifies
- People who had an exemption, payment deferral or student deferral (partial exemptions only if the partial premium was paid). [official source · verified on 2026-10-15]
Conditions by topic
| Age | Not stated in the sources we checked — confirm with the office. |
|---|---|
| Income | Not stated in the sources we checked — confirm with the office. |
| Household | Not stated in the sources we checked — confirm with the office. |
| Child age | Not stated in the sources we checked — confirm with the office. |
| Residence in Japan | Not stated in the sources we checked — confirm with the office. |
| Residence in Tokyo / municipality | Not stated in the sources we checked — confirm with the office. |
| Work / insurance type | Not stated in the sources we checked — confirm with the office. |
| Disability | Not stated in the sources we checked — confirm with the office. |
Residence status
Not stated in the official sources we checked — unknown.
Residence status is not stated on the official page; it applies to National Pension Category 1 insured persons.
Where to apply
- Apply to the Japan Pension Service (see page). [official source · verified on 2026-10-15]
Find addresses in the office finder.
Deadlines
Not yet verified from an official source.
Documents
Not yet verified from an official source.
Key details
- Possible for exempt periods within the 10 years before approval. From the 3rd fiscal year after the exemption, an extra charge is added (e.g. FY2026 back-payment of an FY2016 full-exemption month: ¥16,850). [official source · verified on 2026-10-15]
- One year of back-payment raises the pension by about ¥10,000 a year (full exemption) or ¥20,000 (deferral/student). Back-payments are deductible as social insurance premiums. [official source · verified on 2026-10-15]
Phone / counter phrases
すみません、国民年金保険料の追納について伺いたいのですが、対象になるか、何を持っていけばよいか教えていただけますか。
Hello. I would like to ask about paying exempted pension premiums later (tsuinō). Am I eligible, and what documents should I bring?
すみません、もう少しゆっくり話していただけますか。
Sumimasen, mō sukoshi yukkuri hanashite itadakemasu ka.
Sorry, could you please speak a little more slowly?
Generic phrases for practical help, not official wording.