$Who Earns What

How much does a machine inspector make in Japan?

Machinery Inspection Workers

Answer: The average machine inspector in Japan makes $34,852 (¥5.23M) a year (monthly pay × 12 plus bonus, 2025, Japan's Basic Survey on Wage Structure).

Average yearly pay of people doing this job in Japan
$34,852 (¥5.23M)

Monthly pay $2,321 × 12 + bonus $7,004. Average age 43.7; about 73,000 people work in this job. About the same as the Japan-wide average ($33,720).

Machine inspector pay in Japan (2025, averages by company size and sex)

Machine inspector pay in Japan (2025, averages by company size and sex) — Data: MHLW Basic Survey on Wage Structure 2025
Company sizeEveryoneMenWomenAge
Any size$34,852$37,924$25,20543.7
Big company$40,675$41,591$34,96743.6
Mid-size$33,422$36,916$23,89043
Small company$26,188$29,974$20,30046.6

Why does pay differ?

In Japan, pay can differ as experience leads to harder checks or team-leader work; a machinery inspection certificate can help with hiring. Employer size and industry, location, specialty, shift work, and overtime also affect what people earn.

What if you were…

In Japan, age and company size matter most

Pick a company size, sex or age to see that group's average here.

How it changes with age

Tap an age to update the number above (Any company size, men and women combined)

How it changes with company size

Any size$34,852
Big company$40,675
Mid-size$33,422
Small company$26,188
Men$37,924
Women$25,205

What does a machine inspector do?

What's a typical day like?

They take parts from the production line, look and feel for damage, and measure them with calipers or gauges. They record results, test whether machines work as designed, and pass checked items to the next step.

How to get this job

In Japan, no specific school qualification is usually required, though a technical high school course in machinery helps. Many learn on the job or move from production into inspection; passing the national skills test earns the title of skilled worker in machinery inspection.

Did you know?

In Japan, a skills test can ask you to measure a screw using three thin wires—and check a micrometer for tiny errors.

What about the US?

Nearly the same job
Machine inspector (average)
$34,852
US
Quality inspector (typical)
$48,570

Japan's figure is the average and the US figure is the median. Prices and exchange rates matter too, so it's a rough comparison.

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Sources and data

Source: MHLW Basic Survey on Wage Structure 2025 (regular workers, by occupation) (e-Stat). Yearly pay = monthly contractual cash earnings × 12 + annual bonus. Averages for regular workers at firms with 10+ employees. Public employees (teachers, police, firefighters) and company executives are not in this survey. e-stat.go.jp

Pages used for the text

Data: MHLW Basic Survey on Wage Structure 2025 · 1 USD = 150 JPY