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2026-04-01Tax

🏥 National Health Insurance Premium Cap Raised! ¥1.09M→¥1.10M

Effective April 1, 2026 — Higher burden for high earners

110
10K yen (cap)
+1
10K yen up
67
10K (medical)
4
Yrs consecutive

What's changing?

The annual premium cap for National Health Insurance (NHI/Kokuho) rises from ¥1,090,000 to ¥1,100,000. The basic levy (medical portion) increases from ¥660,000 to ¥670,000 (+¥10,000). Late-elderly support and nursing care portions remain unchanged.

👥 Who's affected?

  • High-income self-employed/freelancers enrolled in NHI
  • Foreign residents not covered by employer health insurance
  • Those earning roughly ¥10M+ per year are most likely to hit the cap
  • Company employees (on employer insurance) are not affected

📊 Premium cap breakdown

CategoryBeforeAfterChange
Basic levy (medical)¥660K¥670K+¥10K
Late-elderly support¥260K¥260KNo change
Nursing care¥170K¥170KNo change
Total¥1,090K¥1,100K+¥10K

📅 Historical trend

FY2023¥1,040K
FY2024¥1,060K
FY2025¥1,090K
FY2026¥1,100K

💡 Key points to know

1Cap increase only affects high-income households — middle/low earners unchanged
2Premium calculation varies by municipality (income-based / per-capita / flat)
3Filing taxes correctly and using deductions can reduce premiums
4Foreigners with resident registration must enroll in NHI — unpaid premiums may affect visa status

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