Both Japan and Singapore sit in Asia & Pacific, but their tax structures take different paths. On a $150,000 gross, the effective tax burden in Singapore is roughly 5.2% higher than in Japan — driven by differences in Shakai vs CPF, bracket structure, and personal allowance.
Same nominal gross applied to both tax systems. Currencies aren't FX-converted — compare structures, not purchasing power.
Japan combines a seven-band national income tax with a flat 10% local inhabitant tax and roughly 15% social insurance (health, pension, employment). The system is automatically deducted via the year-end adjustment (nenmatsu chōsei), so most employees never file a return.
Singapore's personal income tax is famously low — capped at 24% even for million-dollar earners. Citizens and Permanent Residents contribute 20% to the Central Provident Fund (CPF) for retirement, healthcare, and housing; the employer adds 17% on top. Foreign professionals on Employment Pass don't pay CPF.
Pre-calculated breakdowns at common pay levels in Japan — open either side for the full page.
Last updated: 2026. Estimates only — see the disclaimer above.