How much a Tunnel / mining workers 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
ダム・トンネル掘削従事者，採掘従事者 — Tunnel / mining workers
| Prefecture | Monthly pay (yen) | Annual bonus (yen) | Hours / month | Avg age | Workers in sample |
|---|---|---|---|---|---|
| Japan (all) | 312,300 | 645,400 | 178 | 52.5 | 6,320 |
| Shimane | 777,500 | 68,800 | 187 | 47.9 | 100 * |
| Kyoto | 507,300 | 804,500 | 198 | 50.9 | 30 * |
| Fukui | 461,200 | 940,000 | 175 | 54.5 | 0 * |
| Kagawa | 453,500 | 880,000 | 192 | 65.5 | 0 * |
| Ishikawa | 398,900 | 1,103,600 | 163 | 62.5 | 10 * |
| Aichi | 397,600 | 1,460,000 | 165 | 50.1 | 10 * |
| Fukuoka | 385,000 | 1,275,800 | 170 | 45.9 | 120 * |
| Wakayama | 372,900 | 873,900 | 194 | 46.8 | 160 * |
| Yamagata | 370,500 | 1,110,400 | 199 | 49.6 | 30 * |
| Kanagawa | 368,000 | 1,234,600 | 191 | 51.3 | 40 * |
| Gunma | 367,200 | 958,900 | 190 | 45.2 | 30 * |
| Nara | 365,700 | 449,200 | 258 | 46.8 | 50 * |
| Ibaraki | 363,200 | 414,100 | 172 | 59.6 | 160 * |
| Tokyo | 361,700 | 906,900 | 192 | 48.6 | 60 * |
| Yamaguchi | 360,800 | 858,800 | 185 | 47.7 | 150 * |
| Oita | 350,600 | 1,347,300 | 167 | 42.3 | 130 * |
| Gifu | 344,900 | 564,100 | 207 | 43.7 | 120 * |
| Saitama | 342,000 | 1,144,800 | 184 | 40.7 | 220 |
| Nagano | 339,500 | 617,200 | 152 | 58.4 | 20 * |
| Kumamoto | 331,500 | 794,900 | 211 | 56.6 | 50 * |
| Niigata | 326,400 | 459,900 | 171 | 49.5 | 110 * |
| Fukushima | 325,600 | 1,866,600 | 179 | 52.7 | 60 * |
| Hyogo | 325,100 | 113,200 | 164 | 54.7 | 320 |
| Tottori | 324,500 | 180,000 | 229 | 60.5 | 20 * |
| Kagoshima | 318,000 | 688,700 | 181 | 51.8 | 260 |
| Kochi | 313,600 | 420,000 | 196 | 50.5 | 0 * |
| Tochigi | 311,100 | 672,300 | 171 | 49.7 | 290 |
| Miyagi | 310,100 | 852,400 | 254 | 48.6 | 20 * |
| Hiroshima | 308,500 | 432,200 | 157 | 53.4 | 220 |
| Okayama | 302,400 | 1,424,500 | 141 | 42 | 10 * |
| Shizuoka | 297,400 | 961,500 | 178 | 47.7 | 30 * |
| Nagasaki | 295,000 | 962,900 | 188 | 52.1 | 70 * |
| Miyazaki | 293,800 | 987,600 | 179 | 54.6 | 110 * |
| Hokkaido | 289,300 | 255,400 | 174 | 56.5 | 1,350 |
| Aomori | 277,000 | 1,048,000 | 172 | 54.5 | 780 |
| Ehime | 267,600 | 706,100 | 180 | 52.9 | 30 * |
| Akita | 266,900 | 614,200 | 179 | 53.8 | 330 |
| Iwate | 264,300 | 567,100 | 168 | 54.9 | 380 |
| Yamanashi | 248,800 | 243,700 | 165 | 52.9 | 30 * |
| Okinawa | 248,800 | 719,300 | 209 | 49.9 | 400 |
| Chiba | 230,700 | 0 | 153 | 73.2 | 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.