WORKING IN JAPAN
Discover how the salary of haken shain works in Japan, deductions on the payslip, overtime, yukyu, and calculate how much remains at the end of the month.
LIFE IN JAPAN
1/3/20262 min read


If you're thinking of coming from Brazil to work in Japan, understanding how the salary of haken shain (派遣社員) works is essential. In this Manual do Japão guide, we explain simply how the salary is calculated, what deductions appear on the payslip, how overtime works, and how to use paid vacations called yukyu.
What is Haken Shain in Japan?
Haken shain is a worker hired by a contractor company, which sends them to work in Japanese factories or companies. The contract, salary, and benefits are provided by the contractor, following Japanese legislation.
How is Haken Shain Salary Calculated?
The salary is calculated based on hourly rate.
Example:
Hourly rate × hours per day × days worked in the month
This amount is the gross salary, before mandatory deductions.
Deductions on the Payslip (給与明細)
The following deductions typically appear:
• Health insurance: about 9% to 10%
• Pension (Nenkin): about 9%
• Unemployment insurance: about 0.6%
• Income tax: about 5%
Total average deductions: between 20% and 25% of gross salary.
How Does Overtime Work in Japan?
Japanese law defines minimum percentages:
• Normal overtime: +25%
• Night work (22:00 to 5:00): +25%
• Night overtime: +50%
• Work on holidays/days off: +35%
Overtime makes a significant difference in final salary.
Yukyu (有給休暇): Paid Vacation in Japan
After 6 months of continuous work, with at least 80% attendance, the worker becomes eligible for yukyu.
Increase in Yukyu Days Year After Year
• 6 months: 10 days
• 1 year 6 months: 11 days
• 2 years 6 months: 12 days
• 3 years 6 months: 14 days
• 4 years 6 months: 16 days
• 5 years 6 months: 18 days
• 6 years 6 months or more: 20 days (legal maximum)
📌 Days are paid normally and may expire if not used.
Interactive Haken Shain Salary Simulator
The calculation considers 22% average deduction.
Is It Worth Working as Haken Shain?
Advantages
• Easier entry into Japan
• Many available positions
• Frequent overtime opportunities
• Rights guaranteed by law
Disadvantages
• Lower stability
• Dependence on the contractor
Final Tip from Manual do Japão
Those who understand the real salary, deductions, and yukyu arrive in Japan better prepared and avoid common frustrations. Information is the best way to start well.
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