Key Changes for High-Income Individuals
The FY2026 tax reform package introduced sweeping changes to top-tier income taxation and deductions:
- Base income threshold for special high income deduction dropped from JPY 330 million to JPY 165 million, while the associated tax rate increased from 22.5% to 30%. This affects extremely high-income individuals.(mof.go.jp)
- Basic (standard) deduction increased for those with total income ≤ JPY 23.5 million; deduction for employment income minimum raised from JPY 650,000 to JPY 690,000. This aims to help lower & middle income groups.(mof.go.jp)
- One-parent deduction (ひとり親控除) expanded: income tax allowance increased from JPY 350,000 to JPY 380,000, resident tax from JPY 300,000 to JPY 330,000.(mof.go.jp)
Planning Opportunities & Caution Areas
Income Restructuring & Timing
- If you expect your year-end income to cross the JPY 165 million threshold, consider accelerating deductions or distributing income across tax years where possible.
- Review bonus timing or income recognition, where allowable under accounting & tax law, to avoid crossing higher brackets.
Optimizing Deductions
- For those eligible, 配偶者控除 (spousal deduction) / 扶養控除 (dependent deduction) still relevant; ensure dependents satisfy residence rules by Dec 31 or relevant cut-off dates.
- Evaluate eligibility for itemized deductions—insurance, medical expenses, social insurance; prepaying or deferring payments that align with deduction eligibility can be helpful.
Use of Investment Accounts
- NISA expansions (for minors especially): non-taxable investment accounts now opened from ages 0-17, improving opportunities to shift income-generating investments.(mof.go.jp)
Behavioral Shifts to Watch Out For
- Loss of formerly generous high-income thresholds raises risk of high marginal tax rate exposure; salary packaging & compensation structure reviews are crucial.
- Tax residency & source income become more material for non-resident or frequently traveling individuals.
- Audit & documentation risk increases around income attribution and thresholds—especially with global or foreign income.
Examples
| Scenario | Pre-2026 | After Reform |
|---|---|---|
| CEO earning JPY 200 million salary + bonuses | Previously benefited from higher special deduction base at 330M threshold | Now subject to 30% rate at 165M threshold; lost deduction cushion—effective marginal rate increases significantly |
| Parent with young dependents, modest income | Could claim spousal & dependent deductions using existing thresholds | Now higher deduction amounts provide more relief—evaluate whether household income distribution can maximize deductions |
Actionable Checklist
- Project full-year income early; model impact of higher rate threshold.
- Maximize any deductible spending that can be accelerated or carried into qualifying periods.
- Consider shifting investment income into NISA accounts where possible.
- Engage a tax advisor to evaluate international income exposure, residency planning, and documentation for deductions and exemptions.
High incomes are now more visible to tax authorities—legal planning matters more than ever.