Average Annual Salary for Chemical Plant Workers in Japan
Nationwide
Latest
Annual salary (est.)年収
¥5.50M
Monthly gross:¥365,800
Monthly base excl. overtime:¥319,900
Annual Bonus:¥1.11M
Age:41.7 yrs
Overtime Hours:13 hrs
Trends
Quick Facts
Salary Ranking
#52 of 145 occupations
Top 36%
Best Paying Region
Kanagawa: ¥7.04M
Lowest: Kochi (¥3.40M)
Gender Pay Gap
Women earn 68% of male salary
Significant gap (¥3.97M vs ¥5.82M)
Career Growth
+15% salary change
¥4.78M (2020) → ¥5.50M (2025)
Company Size Impact
Large companies pay 8% above average
¥5.92M vs National Avg ¥5.50M
Workforce
~21k workers nationwide
Mid-size field
By Gender
Male
Annual salary (est.)年収
¥5.82M
Monthly gross:¥385,400
Monthly base excl. overtime:¥334,300
Annual Bonus:¥1.19M
Age:41.6 yrs
Overtime Hours:14 hrs
Female
Annual salary (est.)年収
¥3.97M
Monthly gross:¥271,600
Monthly base excl. overtime:¥250,500
Annual Bonus:¥706,700
Age:42.2 yrs
Overtime Hours:8 hrs
By Company Size
| Company Size | Annual salary (est.) | Monthly gross | Annual Bonus | Age | Overtime Hours |
|---|---|---|---|---|---|
| All Companies (10+ employees) | ¥5.50M | ¥365,800 | ¥1.11M | 41.7 | 13 |
| 10-99 employees | ¥4.57M | ¥316,800 | ¥764,100 | 46.3 | 10 |
| 100-999 employees | ¥5.46M | ¥361,000 | ¥1.13M | 42.4 | 12 |
| 1000+ employees | ¥5.92M | ¥390,900 | ¥1.23M | 39.2 | 15 |
By Prefecture
| Prefecture | Annual salary (est.) | Monthly gross | Annual Bonus | Age | Overtime Hours |
|---|---|---|---|---|---|
| Kanagawa | ¥7.04M | ¥462,500 | ¥1.49M | 42.9 | 14 |
| Gunma | ¥6.54M | ¥423,200 | ¥1.46M | 41 | 18 |
| Mie | ¥6.47M | ¥424,300 | ¥1.38M | 41.5 | 17 |
| Hiroshima | ¥6.43M | ¥409,000 | ¥1.52M | 42.2 | 11 |
| Miyagi | ¥6.38M | ¥398,700 | ¥1.59M | 49.3 | 4 |
| Kyoto | ¥6.34M | ¥416,600 | ¥1.34M | 44 | 14 |
| Niigata | ¥6.28M | ¥389,400 | ¥1.61M | 40.6 | 11 |
| Yamaguchi | ¥6.03M | ¥403,500 | ¥1.18M | 42.4 | 14 |
| Ibaraki | ¥5.97M | ¥395,200 | ¥1.23M | 39.2 | 10 |
| Chiba | ¥5.85M | ¥397,200 | ¥1.09M | 42.6 | 18 |
| Okayama | ¥5.68M | ¥381,100 | ¥1.10M | 41.3 | 15 |
| Wakayama | ¥5.63M | ¥366,400 | ¥1.23M | 45.2 | 16 |
| Aichi | ¥5.56M | ¥364,100 | ¥1.19M | 42.9 | 12 |
| Ishikawa | ¥5.52M | ¥373,400 | ¥1.04M | 40.3 | 12 |
| Hyogo | ¥5.52M | ¥368,400 | ¥1.10M | 41.8 | 12 |
| Oita | ¥5.51M | ¥374,700 | ¥1.01M | 38.2 | 15 |
| Shiga | ¥5.46M | ¥375,200 | ¥957,200 | 38.6 | 11 |
| Kagoshima | ¥5.45M | ¥348,800 | ¥1.27M | 41 | 11 |
| Yamanashi | ¥5.37M | ¥354,400 | ¥1.12M | 43.1 | 10 |
| Osaka | ¥5.36M | ¥347,700 | ¥1.19M | 41.3 | 11 |
| Miyazaki | ¥5.35M | ¥346,500 | ¥1.19M | 39.1 | 14 |
| Kagawa | ¥5.34M | ¥352,200 | ¥1.11M | 39.8 | 12 |
| Fukuoka | ¥5.28M | ¥350,600 | ¥1.07M | 40.5 | 22 |
| Ehime | ¥5.26M | ¥354,500 | ¥1.01M | 43.2 | 13 |
| Fukushima | ¥5.16M | ¥342,700 | ¥1.05M | 39 | 10 |
| Iwate | ¥5.11M | ¥344,400 | ¥977,200 | 43 | 13 |
| Tokushima | ¥5.10M | ¥327,200 | ¥1.18M | 40.5 | 8 |
| Kumamoto | ¥4.99M | ¥334,600 | ¥974,700 | 40.5 | 12 |
| Yamagata | ¥4.96M | ¥330,000 | ¥999,600 | 36 | 19 |
| Nagano | ¥4.93M | ¥322,100 | ¥1.07M | 43.6 | 4 |
| Fukui | ¥4.91M | ¥330,700 | ¥943,300 | 38.1 | 11 |
| Aomori | ¥4.89M | ¥328,300 | ¥954,900 | 34.6 | 11 |
| Toyama | ¥4.86M | ¥313,600 | ¥1.10M | 41.2 | 8 |
| Akita | ¥4.85M | ¥330,000 | ¥891,900 | 37.5 | 19 |
| Gifu | ¥4.85M | ¥335,000 | ¥829,600 | 40.4 | 17 |
| Nara | ¥4.77M | ¥338,200 | ¥716,200 | 45.6 | 27 |
| Shimane | ¥4.69M | ¥303,100 | ¥1.05M | 37 | 10 |
| Tochigi | ¥4.68M | ¥314,600 | ¥908,300 | 41.6 | 14 |
| Hokkaido | ¥4.67M | ¥311,300 | ¥931,600 | 43.6 | 4 |
| Shizuoka | ¥4.64M | ¥323,500 | ¥762,700 | 39.7 | 13 |
| Saga | ¥4.63M | ¥302,400 | ¥1.00M | 38.2 | 9 |
| Saitama | ¥4.46M | ¥307,600 | ¥769,000 | 47.8 | 9 |
| Nagasaki | ¥4.13M | ¥307,600 | ¥439,000 | 46.1 | 13 |
| Tokyo | ¥4.03M | ¥279,000 | ¥683,000 | 49.7 | 1 |
| Okinawa | ¥3.78M | ¥261,200 | ¥645,900 | 42.9 | 0 |
| Tottori | ¥3.76M | ¥280,100 | ¥395,300 | 36.9 | 10 |
| Kochi | ¥3.40M | ¥239,600 | ¥528,500 | 45 | 3 |