$Who Earns What

How much does a metal inspector make in Japan?

Product Inspection Workers, Metal Products

Answer: The average metal inspector in Japan makes $30,699 (¥4.6M) 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
$30,699 (¥4.6M)

Monthly pay $2,101 × 12 + bonus $5,483. Average age 44; about 105,000 people work in this job. About the same as the Japan-wide average ($33,720).

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

Metal inspector pay in Japan (2025, averages by company size and sex) — Data: MHLW Basic Survey on Wage Structure 2025
Company sizeEveryoneMenWomenAge
Any size$30,699$35,376$23,11444
Big company$40,429$45,835$25,89043.1
Mid-size$30,913$34,595$24,67443.5
Small company$25,493$29,288$20,84845

Why does pay differ?

In Japan, pay can vary with experience and skill: advanced measuring or non-destructive testing, and related certificates, can lead to more specialized work. Employer size and industry, region, full- or part-time status, and night shifts or overtime can also make a difference.

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$30,699
Big company$40,429
Mid-size$30,913
Small company$25,493
Men$35,376
Women$23,114

What does a metal inspector do?

What's a typical day like?

They compare metal parts with drawings, scan for scratches or warping, and measure sizes with calipers or gauges. They record results, report out-of-spec parts, and send accepted items to the next production or packing step.

How to get this job

In Japan, many start after high school and learn on the job; a degree is usually not required. Some move from factory production into inspection, then may earn a Machine Inspection Technician or JSNDI nondestructive-testing qualification.

Did you know?

Some metal inspectors can check for hidden cracks inside a part without breaking it, using ultrasound or radiation.

What about the US?

Nearly the same job
Metal inspector (average)
$30,699
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