Japan Childcare Leave (育児休業) Benefit Calculator

Calculate Japanese 育児休業給付金 (childcare leave benefit) during parental leave

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The Japan Childcare Leave Benefit Calculator estimates the 育児休業給付金 (childcare leave benefit) paid by Japan’s 雇用保険 (employment insurance) while you are on parental leave. It applies the 67% then 50% replacement structure and supports the 産後パパ育休 post-birth paternity option.

How it works

The benefit replaces a percentage of your standard daily wage (賃金日額), derived from your average monthly wage over the six months before leave divided by 30:

  • First 180 days (about 6 months): 67% of the standard wage.
  • From day 181 onward: 50% of the standard wage.
daily wage    = 6-month average monthly wage / 30
phase 1 (<=180 days) = daily wage x 0.67
phase 2 (>180 days)  = daily wage x 0.50
monthly benefit       = daily benefit x 30 (per support unit)

The wage used is capped by an annually-set upper limit and protected by a lower limit, so very high or very low earners are adjusted toward those bounds.

Tips and notes

  • The benefit is largely tax-free and exempt from social insurance contributions during leave, so the take-home replacement rate is effectively higher than 67%.
  • 産後パパ育休 lets fathers take up to 4 weeks within 8 weeks of birth, in up to two blocks, paid at the same 67% rate.
  • Leave can run until the child turns one, extendable to 18 months or 2 years if no nursery place is available.
  • This tool uses 30-day support units, matching how Hello Work pays the benefit per period.
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