SS-4 Schedule · Grade (俸給表 · 級) Salary
専門スタッフ職 4級 — Specialist Staff. Senior expert staff (policy advisors).
Step-by-step pay table
| Step (号俸) | Annual | Monthly (approx) | Hourly (approx) |
|---|---|---|---|
| 1 | ￥7,719,600 | ￥643,300 | ￥3,711 |
| 2 | ￥8,158,800 | ￥679,900 | ￥3,923 |
| 3 | ￥8,598,000 | ￥716,500 | ￥4,134 |
Beyond base: annual adjustments
Base tables understate real take-home. Japan federal employees receive the following annual adjustments on top of the SS-4 base shown above.
| Mandatory adjustment | Formula | Added to min | Added to max |
|---|---|---|---|
期末手当 + 勤勉手当 (seasonal bonuses) Combined June + December bonuses typically total about 4.5 months of the monthly base. Set annually by the National Personnel Authority based on private-sector benchmarking. | 4.5× monthly | +￥2,894,850 | +￥3,224,250 |
| SS-4 total with mandatory adjustments | ￥10,614,450 | ￥11,822,250 |
Frequently asked
A SS-4 in the Japan federal civil service earns between ￥7,719,600 and ￥8,598,000 per year in 2026, before locality adjustments, allowances, and bonuses. These figures are published by National Personnel Authority (人事院 / Jinjiin).
The base pay scale is set centrally by National Personnel Authority (人事院 / Jinjiin) and applied uniformly across eligible federal employers, but agency-specific supplements, locality pay, and bargaining agreements can produce meaningful differences in take-home pay.
Directly from National Personnel Authority (人事院 / Jinjiin) at https://www.jinji.go.jp/. Each page on FedSalary carries the retrieval date and a link back to the primary source.