Product inspection workers (metal products) in Japan earn on average ¥279,500 a month in base pay and ¥315,200 including overtime and allowances, plus ¥0.82m in annual bonuses: about ¥4.60m a year (2025; all occupations ¥5.46m). Average age 44.0, average tenure 13.5 years. Women's base pay is 73.6% of men's.
By sex
| Monthly base pay | Annual pay (est.) | Age | Tenure | |
|---|---|---|---|---|
| Men | ¥310,800 | ¥5.31m | 44.2 | 15.1 |
| Women | ¥228,800 | ¥3.47m | 43.6 | 11.0 |
By company size
| Company size | Monthly base pay | Annual pay (est.) |
|---|---|---|
| 1,000+ employees | ¥341,500 | ¥6.06m |
| 100–999 employees | ¥273,200 | ¥4.64m |
| 10–99 employees | ¥254,700 | ¥3.82m |
By age (monthly base pay)
| 19 and under | ¥203,000 |
| 20-24 | ¥217,700 |
| 25-29 | ¥240,200 |
| 30-34 | ¥261,900 |
| 35-39 | ¥286,100 |
| 40-44 | ¥291,900 |
| 45-49 | ¥310,600 |
| 50-54 | ¥317,100 |
| 55-59 | ¥303,300 |
| 60-64 | ¥262,300 |
| 65-69 | ¥232,800 |
| 70+ | ¥245,000 |
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