How much a Ironworkers / boilermakers earns in each prefecture of Japan: monthly pay, annual bonus, working hours, average age. Official survey, all workers (men and women), full-time.
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yen/month
鉄工，製缶従事者 — Ironworkers / boilermakers
| Prefecture | Monthly pay (yen) | Annual bonus (yen) | Hours / month | Avg age | Workers in sample |
|---|---|---|---|---|---|
| Japan (all) | 351,000 | 854,400 | 187 | 43.5 | 58,020 |
| Shimane | 466,600 | 1,262,700 | 199 | 47.5 | 230 |
| Gifu | 433,300 | 1,549,800 | 181 | 36.7 | 2,250 |
| Aichi | 432,600 | 1,149,200 | 207 | 46.1 | 3,770 |
| Mie | 430,100 | 751,900 | 201 | 38.9 | 1,260 |
| Tokyo | 405,300 | 828,800 | 199 | 56.2 | 520 |
| Gunma | 404,600 | 1,306,800 | 215 | 37.3 | 150 * |
| Ibaraki | 392,000 | 268,500 | 198 | 45.4 | 1,470 |
| Oita | 385,600 | 1,685,500 | 171 | 43.5 | 80 * |
| Shizuoka | 379,900 | 961,600 | 177 | 44.4 | 4,290 |
| Chiba | 377,700 | 460,000 | 180 | 39.6 | 1,350 |
| Hyogo | 375,400 | 968,000 | 180 | 41 | 3,200 |
| Niigata | 366,800 | 2,193,200 | 172 | 39.9 | 760 |
| Kagawa | 363,000 | 580,500 | 191 | 42.1 | 1,820 |
| Toyama | 358,100 | 1,596,300 | 165 | 40.7 | 240 |
| Kanagawa | 356,200 | 1,014,500 | 201 | 49.9 | 3,900 |
| Osaka | 351,100 | 544,200 | 194 | 40.9 | 7,460 |
| Fukui | 341,600 | 1,450,700 | 186 | 41.8 | 180 * |
| Shiga | 341,600 | 1,123,600 | 172 | 39.7 | 150 * |
| Kyoto | 333,700 | 1,255,500 | 186 | 45.3 | 710 |
| Yamanashi | 331,600 | 1,436,400 | 181 | 41.9 | 180 * |
| Fukushima | 328,700 | 580,700 | 181 | 49 | 3,690 |
| Ehime | 328,300 | 762,000 | 184 | 45 | 930 |
| Tokushima | 326,100 | 989,100 | 167 | 47.8 | 250 |
| Nagasaki | 325,800 | 467,900 | 198 | 39.7 | 1,940 |
| Saga | 322,800 | 839,400 | 172 | 43.2 | 1,480 |
| Saitama | 322,300 | 1,896,000 | 149 | 33.3 | 620 |
| Tottori | 317,900 | 1,683,300 | 190 | 35.6 | 100 * |
| Hokkaido | 314,200 | 1,261,100 | 183 | 47.3 | 1,130 |
| Fukuoka | 313,200 | 967,800 | 182 | 41.5 | 3,510 |
| Kumamoto | 312,700 | 78,600 | 193 | 39.2 | 410 |
| Aomori | 308,300 | 904,600 | 182 | 51.1 | 2,040 |
| Nagano | 305,200 | 1,464,500 | 176 | 37.8 | 150 * |
| Kagoshima | 298,800 | 434,400 | 190 | 44.7 | 350 |
| Wakayama | 298,200 | 536,600 | 170 | 43.5 | 700 |
| Miyazaki | 295,800 | 617,500 | 189 | 48.6 | 570 |
| Okayama | 293,800 | 801,800 | 176 | 37.6 | 1,540 |
| Akita | 293,000 | 457,200 | 183 | 51.2 | 120 * |
| Nara | 291,800 | 1,010,900 | 204 | 41 | 260 |
| Kochi | 289,800 | 779,400 | 176 | 42.1 | 930 |
| Yamaguchi | 288,900 | 777,600 | 184 | 43.2 | 860 |
| Hiroshima | 285,500 | 491,200 | 180 | 44.1 | 1,180 |
| Miyagi | 277,300 | 1,101,300 | 185 | 47.8 | 530 |
| Tochigi | 267,800 | 152,900 | 182 | 44.5 | 300 |
| Yamagata | 265,500 | 551,100 | 184 | 39.5 | 440 |
| Iwate | 249,700 | 1,051,900 | 160 | 49 | 10 * |
* fewer than 200 workers in sample — treat as rough
Source: Ministry of Health, Labour and Welfare, Basic Survey on Wage Structure 2025, prefecture × occupation table (一般労働者・都道府県別 第3表 職種（特掲）). Monthly pay = きまって支給する現金給与額 (includes overtime, before tax). Government Standard Terms of Use v2.0.