# Taiwan-Japan Tax Comparison Calculator

Estimate after-tax salary income in Taiwan and Japan using official data available for 2026. The calculator covers Taiwan income tax, NHI, labor insurance, employment insurance, Japan income tax, Tokyo resident tax, health insurance, employees' pension, and employment insurance.

## Canonical page

https://aszx87410.github.io/japan-taiwan-tax-compare/en.html

## Supported scenarios

- Single
- Married, no child
- Married, with child

## Calculations covered

- Income tax
- Resident tax
- Health insurance
- Labor insurance
- Employment insurance
- Health insurance
- Employees' pension
- Employment insurance

## Assumptions

- Figures are based on official data available for 2026. Actual liabilities still depend on government rules and individual filing details.
- Spouse income is assumed to be 0.
- When monthly income is below 88,000 JPY, this simplified model treats the worker as below the short-time-worker eligibility threshold for health insurance and employees' pension. This wage requirement is scheduled to be abolished in October 2026.

## Official sources

- Ministry of Finance: 2025 income tax exemptions, deductions, and brackets filed in 2026: https://www.mof.gov.tw/singlehtml/384fb3077bb349ea973e7fc6f13b6974?cntId=e6bfc90ed42e42ccbcd83be96e331afc
- Ministry of Finance: 2025 basic living expense per person: https://www.dot.gov.tw/singlehtml/ch26?cntId=7e174aba28b34a4b8df93cadadef6ec9
- National Health Insurance Administration: general premium formula: https://www.nhi.gov.tw/ch/cp-3277-6c895-2588-1.html
- National Health Insurance Administration: employee and part-time enrollment rules: https://www.nhi.gov.tw/ch/cp-7678-9b5bd-3255-1.html
- National Health Insurance Administration: insured payroll bracket table from Jan. 1, 2026: https://www.nhi.gov.tw/ch/cp-19421-f9533-2569-1.html
- Bureau of Labor Insurance: labor insurance premium rate and employee share: https://www.bli.gov.tw/0005478.htm
- Bureau of Labor Insurance: labor insurance salary bracket table: https://www.bli.gov.tw/0100493.html
- Bureau of Labor Insurance: part-time worker enrollment and insured salary rules: https://www.bli.gov.tw/0006920.html
- Bureau of Labor Insurance: employment insurance premium: https://www.bli.gov.tw/0006443.html
- National Tax Agency: income tax quick calculation table: https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/2260.htm?ts=20220101111633
- National Tax Agency: basic deduction: https://www.nta.go.jp/taxes/shiraberu/taxanswer/shotoku/1199.htm
- National Tax Agency: 2025 tax reform and salary income deduction: https://www.nta.go.jp/users/gensen/2025kiso/index.htm?s=09
- Tokyo Metropolitan Taxation Bureau: individual resident tax: https://www.tax.metro.tokyo.lg.jp/kazei/kojin_ju.html?referral=a8
- Japan Health Insurance Association: 2026 prefectural premium rates: https://www.kyoukaikenpo.or.jp/about/business/insurance_rate/rate_prefectures/r08/index.html
- Japan Health Insurance Association: 2026 premium tables: https://www.kyoukaikenpo.or.jp/about/business/insurance_rate/premium_prefectures/r08/index.html
- Ministry of Health, Labour and Welfare: short-time worker social insurance eligibility Q&A: https://www.mhlw.go.jp/tekiyoukakudai/qa/
- Ministry of Health, Labour and Welfare: 2026 short-time worker social insurance wage requirement notice: https://www.mhlw.go.jp/content/12500000/001633788.pdf
- Japan Pension Service: employees' pension premium table: https://www.nenkin.go.jp/service/kounen/hokenryo/hoshu/20150515-01.html
- Ministry of Health, Labour and Welfare: 2026 employment insurance rates: https://www.mhlw.go.jp/content/001692566.pdf