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Social Insurance Calculator Japan 2026
Japanese social insurance from monthly pay with FY2026 rates by prefecture, for you and your employer.
Your monthly pay
Monthly social insurance (you pay)
¥44,070
Standard monthly pay ¥300,000 · employer pays ¥46,200
| Rate (total) | You | Employer | |
|---|---|---|---|
| Health insurance | 9.85% | ¥14,775 | ¥14,775 |
| Child support levy | 0.23% | ¥345 | ¥345 |
| Employees' pension | 18.3% | ¥27,450 | ¥27,450 |
| Employment insurance | 0.5% / 0.85% | ¥1,500 | ¥2,550 |
| Child-rearing contribution (employer) | 0.36% | — | ¥1,080 |
| Total | ¥44,070 | ¥46,200 |
About ¥0.53m a year from you (bonuses extra). Premiums use the standard pay set from April–June pay, applied from September for a year.
By monthly pay (you pay)
| Pay | Health | Pension | Employment | Total |
|---|---|---|---|---|
| ¥150,000 | ¥7,560 | ¥13,725 | ¥750 | ¥22,035 |
| ¥200,000 | ¥10,080 | ¥18,300 | ¥1,000 | ¥29,380 |
| ¥250,000 | ¥13,104 | ¥23,790 | ¥1,250 | ¥38,144 |
| ¥300,000 | ¥15,120 | ¥27,450 | ¥1,500 | ¥44,070 |
| ¥350,000 | ¥18,144 | ¥32,940 | ¥1,750 | ¥52,834 |
| ¥400,000 | ¥20,664 | ¥37,515 | ¥2,000 | ¥60,179 |
| ¥500,000 | ¥25,200 | ¥45,750 | ¥2,500 | ¥73,450 |
| ¥600,000 | ¥29,736 | ¥53,985 | ¥3,000 | ¥86,721 |
Rules checked October 2026. Not tax or labour advice. 🔒 Everything stays on your device.
✅ Rules last checked:
📚 Official sources: 協会けんぽ：令和8年度 保険料額表
We build every tool from the official rules and re-check them when they change. Always confirm with the official source before you rely on a result.
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Questions people ask
QSocial insurance on ¥300,000?
AAbout ¥44,070 a month in Tokyo at 30.
QWhat is the child support levy?
AA new levy from April 2026 collected with health insurance: 0.23%, half paid by you.