Dam/Tunnel/Mining Workers Average Monthly Salary in Japan
Based on 2023 Government Wage Data
Quick Facts
Salary Ranking
#54 of 145 occupations
Top 38%
Best Paying Region
Shimane: ¥674,300
Lowest: Hiroshima (¥239,700)
Career Growth
-4% salary change
¥370,300 (2020) → ¥355,000 (2023)
Company Size Impact
Large companies pay 20% above average
¥425,700 vs National Avg ¥355,000
Workforce
~526 workers nationwide
Specialized field
Nationwide
Latest (2023)
Gross Salary
¥355,000
Base Salary
¥322,300
Annual Bonus
¥560,700
Average Age:48.8 yrs
Overtime Hours:14 hrs
Trends (2020-2023)
By Company Size
| Company Size | Monthly Salary | Annual Bonus | Average Age | Overtime Hours |
|---|---|---|---|---|
| All Companies (10+ employees) | ¥355,000 | ¥560,700 | 48.8 | 14 |
| 10-99 employees | ¥339,600 | ¥502,100 | 49.2 | 15 |
| 100-999 employees | ¥448,500 | ¥644,400 | 47.5 | 9 |
| 1000+ employees | ¥425,700 | ¥1.85M | 41.1 | 16 |
By Prefecture
| Prefecture | Monthly Salary | Annual Bonus | Average Age | Overtime Hours |
|---|---|---|---|---|
| Shimane | ¥674,300 | ¥15,700 | 51.6 | 2 |
| Hyogo | ¥517,100 | ¥385,000 | 51.4 | 5 |
| Gifu | ¥510,900 | ¥55,500 | 51.8 | 2 |
| Ishikawa | ¥464,000 | ¥1.43M | 62.2 | 0 |
| Kumamoto | ¥437,300 | ¥443,300 | 39.3 | 16 |
| Saitama | ¥400,900 | ¥680,000 | 60.7 | 29 |
| Yamanashi | ¥397,900 | ¥1.36M | 40.5 | 55 |
| Wakayama | ¥394,400 | ¥426,700 | 45.6 | 10 |
| Yamaguchi | ¥390,400 | ¥1.65M | 44.6 | 18 |
| Fukushima | ¥382,100 | ¥2.16M | 49.7 | 13 |
| Kyoto | ¥380,900 | ¥1.37M | 48.6 | 11 |
| Kanagawa | ¥368,700 | ¥944,900 | 57.1 | 8 |
| Kagoshima | ¥358,400 | ¥1.62M | 42.7 | 15 |
| Tochigi | ¥355,300 | ¥559,800 | 54.1 | 24 |
| Tokyo | ¥348,100 | ¥650,300 | 44.5 | 4 |
| Fukui | ¥347,200 | ¥939,500 | 57.4 | 15 |
| Oita | ¥338,400 | ¥1.22M | 43.4 | 2 |
| Aichi | ¥334,300 | ¥1.18M | 45.3 | 3 |
| Chiba | ¥330,800 | ¥640,000 | 55.5 | 12 |
| Hokkaido | ¥330,500 | ¥622,900 | 47.8 | 25 |
| Yamagata | ¥328,700 | ¥454,600 | 53.9 | 0 |
| Nagano | ¥323,900 | ¥966,400 | 49.8 | 5 |
| Fukuoka | ¥322,400 | ¥946,600 | 46.7 | 16 |
| Tokushima | ¥315,800 | ¥377,300 | 47.1 | 31 |
| Okayama | ¥310,800 | ¥635,500 | 43.7 | 14 |
| Okinawa | ¥298,500 | ¥388,600 | 51.7 | 8 |
| Niigata | ¥295,600 | ¥593,000 | 45.4 | 10 |
| Kochi | ¥295,400 | ¥558,000 | 59.3 | 15 |
| Miyazaki | ¥294,000 | ¥1.11M | 58.8 | 11 |
| Ibaraki | ¥280,400 | ¥441,200 | 42 | 13 |
| Aomori | ¥275,800 | ¥747,900 | 58.5 | 24 |
| Iwate | ¥274,800 | ¥805,800 | 48.2 | 8 |
| Nagasaki | ¥272,900 | ¥675,400 | 53.5 | 8 |
| Ehime | ¥261,100 | ¥704,300 | 50.8 | 23 |
| Saga | ¥255,100 | ¥382,500 | 55.2 | 0 |
| Akita | ¥242,300 | ¥778,800 | 51.5 | 0 |
| Miyagi | ¥241,800 | ¥330,400 | 56.6 | 4 |
| Hiroshima | ¥239,700 | ¥0 | 64 | 12 |
Showing data for 38 of 47 prefectures. Some prefectures excluded due to insufficient sample size in government survey.