Automobile assembly workers in Japan earn on average ¥328,400 a month in base pay and ¥395,600 including overtime and allowances, plus ¥1.17m in annual bonuses: about ¥5.92m a year (2025; all occupations ¥5.46m). Average age 41.0, average tenure 14.6 years. Women's base pay is 74.1% of men's.
By sex
| Monthly base pay | Annual pay (est.) | Age | Tenure | |
|---|---|---|---|---|
| Men | ¥342,500 | ¥6.26m | 41.5 | 15.6 |
| Women | ¥253,700 | ¥4.08m | 38.6 | 9.6 |
By company size
| Company size | Monthly base pay | Annual pay (est.) |
|---|---|---|
| 1,000+ employees | ¥351,600 | ¥6.61m |
| 100–999 employees | ¥282,100 | ¥4.47m |
| 10–99 employees | ¥234,900 | ¥3.43m |
By age (monthly base pay)
| 19 and under | ¥221,100 |
| 20-24 | ¥253,800 |
| 25-29 | ¥276,000 |
| 30-34 | ¥305,200 |
| 35-39 | ¥336,400 |
| 40-44 | ¥349,200 |
| 45-49 | ¥354,300 |
| 50-54 | ¥391,100 |
| 55-59 | ¥399,600 |
| 60-64 | ¥291,600 |
| 65-69 | ¥239,000 |
| 70+ | ¥230,700 |
Basic Survey on Wage Structure 2025 (MHLW, published 2026-03-24). Full-time ("general") employees at private establishments of companies with 10 or more employees. Monthly pay is for June; bonuses are for the previous calendar year. Estimated annual pay = monthly contractual pay × 12 + annual bonus. Source: Ministry of Health, Labour and Welfare (MHLW), via e-Stat. Compiled and translated by The Hardest Market.
Other manufacturing process workers occupations: Pig-iron forging, steelmaking, non-ferrous metal smelting workers · Cast metal manufacturing and forging workers · Metal machine tools workers · Metal press workers · Ironworkers, boilermakers · Sheet metal workers · Metal engraving and surface treatment workers · Metal welding and fusion cutting workers