Who Earns What

How much does a machine assembler make in Japan?

Other Machinery Assembly Workers, NEC
$30,500 (¥4.58M)

a year · about $16 an hour

The average machine assembler in Japan makes $30,500 (¥4.58M) a year, monthly pay × 12 plus bonus, about the same as a typical worker in Japan (average, 2025, Japan's Basic Survey on Wage Structure).

What do they do?

You check the drawing, tools, and parts, then use hand tools and lifts to join a machine’s frame, units, wires, and pipes. You adjust and test it, then may help install it at a customer’s factory.

Did you know? A Japanese machine-assembly contest challenged competitors to hand-file 119 surfaces and build a micro-hole machine in 6 hours 50 minutes.

Is that a lot?

Compared with jobs you know
This job$30,500
Typical worker$33,720
Elementary teacher$49,011
Doctor$100,817
Cashier$25,651

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$30,500
Big company$38,109
Mid-size$26,938
Small company$25,119
Men$34,271
Women$22,865

How do you become one?

Japan has no required degree or entry license, though many workers study at a technical high school or vocational school. New hires learn on the job; later, a finishing-skills certificate can prove skill, and crane or welding work may require separate credentials.

Why does pay differ?

In Japan, pay can differ with experience, skills and useful certificates; custom machines may also call for different know-how than repeat line work. Employer rules, company size, location, full- or short-time hours, overtime and weekend work can also matter.

Jobs like this

Next up

Who earns more?

In the US, a typical assembler makes $44,650 → see more

Data table and sources
Machine assembler pay in Japan (2025, averages by company size and sex) — Data: MHLW Basic Survey on Wage Structure 2025
Company sizeEveryoneMenWomenAge
Any size$30,500$34,271$22,86543.3
Big company$38,109$40,141$30,45541
Mid-size$26,938$31,347$20,27842.7
Small company$25,119$28,017$20,83346.7

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