RS-4 Schedule · Grade (俸給表 · 級) Salary
研究職 4級 — Research. Researchers at national research institutes.
Step-by-step pay table
| Step (号俸) | Annual | Monthly (approx) | Hourly (approx) |
|---|---|---|---|
| 1 | ￥4,662,000 | ￥388,500 | ￥2,241 |
| 2 | ￥4,678,800 | ￥389,900 | ￥2,249 |
| 3 | ￥4,695,600 | ￥391,300 | ￥2,258 |
| 4 | ￥4,712,400 | ￥392,700 | ￥2,266 |
| 5 | ￥4,729,200 | ￥394,100 | ￥2,274 |
| 6 | ￥4,746,000 | ￥395,500 | ￥2,282 |
| 7 | ￥4,761,600 | ￥396,800 | ￥2,289 |
| 8 | ￥4,778,400 | ￥398,200 | ￥2,297 |
| 9 | ￥4,795,200 | ￥399,600 | ￥2,305 |
| 10 | ￥4,813,200 | ￥401,100 | ￥2,314 |
| 11 | ￥4,830,000 | ￥402,500 | ￥2,322 |
| 12 | ￥4,846,800 | ￥403,900 | ￥2,330 |
| 13 | ￥4,862,400 | ￥405,200 | ￥2,338 |
| 14 | ￥4,880,400 | ￥406,700 | ￥2,346 |
| 15 | ￥4,898,400 | ￥408,200 | ￥2,355 |
| 16 | ￥4,916,400 | ￥409,700 | ￥2,364 |
| 17 | ￥4,934,400 | ￥411,200 | ￥2,372 |
| 18 | ￥4,953,600 | ￥412,800 | ￥2,382 |
| 19 | ￥4,972,800 | ￥414,400 | ￥2,391 |
| 20 | ￥4,993,200 | ￥416,100 | ￥2,401 |
| 21 | ￥5,007,600 | ￥417,300 | ￥2,408 |
| 22 | ￥5,024,400 | ￥418,700 | ￥2,416 |
| 23 | ￥5,041,200 | ￥420,100 | ￥2,424 |
| 24 | ￥5,056,800 | ￥421,400 | ￥2,431 |
| 25 | ￥5,072,400 | ￥422,700 | ￥2,439 |
| 26 | ￥5,088,000 | ￥424,000 | ￥2,446 |
| 27 | ￥5,106,000 | ￥425,500 | ￥2,455 |
| 28 | ￥5,124,000 | ￥427,000 | ￥2,463 |
| 29 | ￥5,138,400 | ￥428,200 | ￥2,470 |
| 30 | ￥5,152,800 | ￥429,400 | ￥2,477 |
| 31 | ￥5,172,000 | ￥431,000 | ￥2,487 |
| 32 | ￥5,190,000 | ￥432,500 | ￥2,495 |
| 33 | ￥5,205,600 | ￥433,800 | ￥2,503 |
| 34 | ￥5,222,400 | ￥435,200 | ￥2,511 |
| 35 | ￥5,239,200 | ￥436,600 | ￥2,519 |
| 36 | ￥5,256,000 | ￥438,000 | ￥2,527 |
| 37 | ￥5,272,800 | ￥439,400 | ￥2,535 |
| 38 | ￥5,289,600 | ￥440,800 | ￥2,543 |
| 39 | ￥5,306,400 | ￥442,200 | ￥2,551 |
| 40 | ￥5,323,200 | ￥443,600 | ￥2,559 |
| 41 | ￥5,336,400 | ￥444,700 | ￥2,566 |
| 42 | ￥5,352,000 | ￥446,000 | ￥2,573 |
| 43 | ￥5,368,800 | ￥447,400 | ￥2,581 |
| 44 | ￥5,384,400 | ￥448,700 | ￥2,589 |
| 45 | ￥5,394,000 | ￥449,500 | ￥2,593 |
| 46 | ￥5,403,600 | ￥450,300 | ￥2,598 |
| 47 | ￥5,414,400 | ￥451,200 | ￥2,603 |
| 48 | ￥5,425,200 | ￥452,100 | ￥2,608 |
| 49 | ￥5,434,800 | ￥452,900 | ￥2,613 |
| 50 | ￥5,444,400 | ￥453,700 | ￥2,618 |
| 51 | ￥5,451,600 | ￥454,300 | ￥2,621 |
| 52 | ￥5,461,200 | ￥455,100 | ￥2,626 |
| 53 | ￥5,466,000 | ￥455,500 | ￥2,628 |
| 54 | ￥5,473,200 | ￥456,100 | ￥2,631 |
| 55 | ￥5,479,200 | ￥456,600 | ￥2,634 |
| 56 | ￥5,485,200 | ￥457,100 | ￥2,637 |
| 57 | ￥5,491,200 | ￥457,600 | ￥2,640 |
Beyond base: annual adjustments
Base tables understate real take-home. Japan federal employees receive the following annual adjustments on top of the RS-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 | +￥1,748,250 | +￥2,059,200 |
| RS-4 total with mandatory adjustments | ￥6,410,250 | ￥7,550,400 |
Frequently asked
A RS-4 in the Japan federal civil service earns between ￥4,662,000 and ￥5,491,200 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.