Mechanical engineer average salary in Japan
The average annual salary for Mechanical engineer in Japan is ¥6,124,000 (2023, MHLW Basic Survey on Wage Structure, 410,860 workers surveyed) — 20.6% above the national average of ¥5,078,000.
Mechanical engineer salary by age band
| Age band | Total annual | Male annual | Female annual |
|---|---|---|---|
| ~19 | ¥2,546,000 | — | — |
| 20-24 | ¥3,471,000 | — | — |
| 25-29 | ¥4,675,000 | — | — |
| 30-34 | ¥5,552,000 | — | — |
| 35-39 | ¥6,450,000 | — | — |
| 40-44 | ¥6,775,000 | — | — |
| 45-49 | ¥7,327,000 | — | — |
| 50-54 | ¥7,495,000 | — | — |
| 55-59 | ¥7,696,000 | — | — |
| 60-64 | ¥5,593,000 | — | — |
| 65~ | ¥4,809,000 | — | — |
Monthly figures: regular cash earnings × 12 + annual bonus. Both genders combined (small occupation data limit).
Where this occupation sits
By average annual income, Mechanical engineer ranks 23 of 144 detailed occupations — above 121 of them.
- Just above: Machinery, telecom and systems sales representative ¥6,204,000
- Just below: Other machinery maintenance and repair workers ¥6,056,000
Understanding People working as Mechanical engineer salary data
Mechanical engineer: average annual salary
People working as Mechanical engineer earn a weighted-average annual income of ¥6,124,000 (sample: 410,860 workers), +20.6% higher than the national average (about ¥1,046,000 more). The median is ¥6,450,000. Figures are estimates derived from a worker-count-weighted average of age-band data.
At what age does pay peak in Mechanical engineer?
Income peaks in the 55-59 age band at ¥7,696,000 (about 2.2x the entry level). The steepest rise is in the 25-29 band.
Mechanical engineer: how pay changes with age
The age curve is classified as “inverted-U”. Inverted-U is the standard Japanese pattern, peaking before retirement; rising means expertise compounds with experience. About 22.7% of the estimated annual income is bonus (annual special cash earnings).
Mechanical engineer average salary by age and gender
Estimated annual income for Mechanical engineer by age band (total / male / female):
| Age | Total | Male | Female |
|---|---|---|---|
| 25-29 | ¥4,675,000 | — | — |
| 30-34 | ¥5,552,000 | — | — |
| 35-39 | ¥6,450,000 | — | — |
| 40-44 | ¥6,775,000 | — | — |
| 45-49 | ¥7,327,000 | — | — |
| 50-54 | ¥7,495,000 | — | — |
Frequently asked questions
- What is the average salary for Mechanical engineer?
- About ¥6,124,000, estimated from the MHLW Basic Survey on Wage Structure (2023, weighted-average estimate).
- At what age does income peak for Mechanical engineer?
- In the 55-59 age band, at an estimated ¥7,696,000.
Source: MHLW Basic Survey on Wage Structure (2023). Estimated from a worker-count-weighted average of 5-year age bands; cells not published due to small samples are excluded.
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