utilrepo
English
❤️ Tip
HomeCalculators

Japanese Net Salary Calculator (手取り)

Estimate monthly take-home pay in Japan. Subtracts national income tax, resident tax, and the four-major social insurances (health, pension, employment, long-term care).

Loading…

All processing runs in your browser — no files or inputs are uploaded to a server.

How to use

Enter your **annual gross salary (額面年収)** in yen, the number of **qualifying dependents** in each category (general / specific / elderly non-cohabiting / elderly cohabiting — categories matter because the 扶養控除 deduction amount differs), and check the **40+ years old** box if applicable (triggers 介護保険料 long-term care insurance, ~0.8% additional employee share). The tool computes monthly deductions for the four main insurances plus the new 子ども・子育て支援金 (childcare-support levy, employee 0.115%, collected with health insurance from April 2026), the annualized income tax with bracket math, and resident tax (10% flat-ish on prior-year income), then shows your monthly take-home (手取り) along with a per-line breakdown.

Japan's tax-withholding system has **two timing tricks** built in. **First**, the **年末調整 (year-end adjustment)** in December reconciles withheld income tax against your actual annual obligation — overpayments are refunded with the December paycheck, underpayments are collected. **Second**, **住民税 (resident tax) lags by one year**: tax based on 2025 income is withheld monthly from June 2026 through May 2027. This is why new graduates in their first year have a higher take-home rate than they expect (no resident tax yet, since they had no prior-year income), and why their second-year take-home unexpectedly drops by ~10% even with no raise. This tool computes an "average" monthly figure assuming residence tax is in steady state; for first-year employees, multiply the *non-tax* portion of deductions only.

Examples

Single employee, ¥5M annual — typical early career

Input
annual salary:  ¥5,000,000 (額面)
dependents:     0 (single, no qualifying dependents)
age 40+:        no (介護保険 not applicable)
year:           2026 calendar (令和8年度)
Output
monthly gross:            ¥416,667
  ──────────────────────
  health insurance:       ¥20,625  (4.95% — 協会けんぽ avg)
  pension (厚生年金):     ¥38,125  (9.15%)
  employment insurance:   ¥2,083   (0.5%)
  childcare support:      ¥479     (0.115% — new Apr 2026)
  income tax (所得税):    ¥9,948   (~2.4% effective)
  resident tax (住民税):  ¥20,369  (~4.9% effective, lagged from prior year)
  ──────────────────────
  total deductions:       ¥91,630  (22.0% of gross)
  monthly take-home:      ¥325,037  (78.0% of gross)

Annual take-home estimate: ¥3,900,000 (with year-end 賞与 adjustments)

A ¥5M annual is typical for a 2nd–3rd-year salaryman in Tokyo. The deduction rate ~22% is on the low end of working-age Japanese; it rises sharply at higher salaries because both income tax brackets and 厚生年金 cap behavior kick in around ¥7M annual. The 厚生年金 contribution is **capped at ¥650,000 monthly base** — once your monthly gross exceeds that, additional salary skips the pension deduction entirely, which is a counterintuitive bump in take-home rate. **賞与 (bonus) calculations** are separate: bonuses have their own 厚生年金 rate (capped at ¥1.5M per bonus) and a flat income-tax withholding that gets reconciled at 年末調整. This tool shows pure monthly salary; if your compensation includes 賞与, the *effective* annual take-home is usually 2–5% higher than the monthly figure × 12.

Family with 2 dependents — ¥10M senior engineer

Input
annual salary:    ¥10,000,000
dependents:
  general:        1 (spouse, age 35, no income)
  specific:       1 (college student, age 20)
  elderly:        0
age 40+:          yes (介護保険 applies)
Output
monthly gross:           ¥833,333
  ──────────────────────
  health insurance:      ¥41,250  (4.95%)
  long-term care:        ¥6,750   (0.81% — 40+ surcharge)
  pension:               ¥59,475  (9.15%, capped at ¥650K base)
  employment insurance:  ¥4,167   (0.5%)
  childcare support:     ¥958     (0.115% — new Apr 2026)
  income tax:            ¥50,562  (~6.1% effective after dependent deductions)
  resident tax:          ¥46,157  (~5.5%)
  ──────────────────────
  total deductions:      ¥209,318  (25.1% of gross)
  monthly take-home:     ¥624,015  (74.9% of gross)

At ¥10M, dependent deductions become meaningful: a college-aged dependent (特定扶養親族, age 19-22) gets a **¥630,000 income-tax deduction + ¥450,000 resident-tax deduction** — substantially more than the **¥380,000 / ¥330,000** for general dependents (16-18 or 23-69). The 特定 bump exists because Japanese government policy historically incentivized educational support; reform discussions periodically question whether the bump is still warranted given rising college enrollment, but the schedule has been stable since the 1980s. 介護保険 (long-term care insurance for the 40+) costs ~0.81% on top of the regular health rate; it funds Japan's public long-term care system and is non-optional. Higher earners hit the 厚生年金 cap, so effective deduction rate at ¥10M is only ~3 percentage points higher than at ¥5M, not the doubling you might expect.

Bracket-jump anxiety — ¥9.99M vs ¥10.01M

Input
comparison: identical employee at two slightly different salaries
  A: ¥9,990,000  (just under "1,000万円の壁")
  B: ¥10,010,000 (just over)
question: is take-home meaningfully different?
Output
A (¥9.99M):  monthly take-home ¥604,477  (¥7,253,728 annual)
B (¥10.01M): monthly take-home ¥605,572  (¥7,266,869 annual)

difference:  ¥1,095/month (+¥13,142/year)
             on the ¥20,000 annual raise (¥1,667/month)
             → 66% of the raise reaches your bank

No bracket "cliff" — the 23% → 33% income tax bracket boundary lands
at ¥9M taxable, not ¥9.99M gross. Most "1,000万円の壁" anxiety
is folklore, not fact.

Japanese workplace culture has a persistent **「1,000 万円の壁」(¥10M wall)** myth — the belief that crossing ¥10M annual triggers a massive tax jump that wipes out the raise. **This is mostly myth**. There are some real ¥10M-adjacent transitions: spouse-deduction (配偶者控除) phases out as the *primary earner* approaches ¥12M, certain child-allowances cap at ¥10M household income, and the threshold for 確定申告 self-reporting drops; but the *income tax bracket itself* runs continuously and adding ¥1 to your salary never costs you more than the marginal rate. The persistent myth stems partly from the year-1 → year-2 住民税 shock (which can feel like a cliff but is timing, not bracket) and partly from spouse-deduction phase-outs being mis-attributed to the income-tax brackets. This tool computes continuously; if your raise looks "stolen by tax", the cause is most often residence-tax lag.

FAQ

What is the difference between 額面年収 and 手取り?

**額面 (gakumen, "face value")** is your gross compensation as written in your employment contract — base salary + fixed allowances + bonuses, before any deductions. **手取り (tedori, "hand take")** is what actually lands in your bank account after the 4 social insurances, income tax withholding, and resident tax are subtracted. For a typical Japanese salaryman, **手取り is roughly 73-80% of 額面** — varying with income level, dependents, and 40+ status. Job postings and 年収 (annual salary) discussions always quote 額面; mortgage applications, rental agreements, and personal financial planning should use 手取り because that is the actual cash flow. The ratio is not constant: at ¥3M annual ~80%, at ¥5M ~78%, at ¥10M ~73%, at ¥20M ~64% — the deduction rate creeps up with income because tax brackets are progressive.

How accurate is this calculator vs. my actual paystub?

**Within ~5% for typical cases, but not byte-identical.** Differences come from: (1) Health insurance rates differ by 都道府県 and sometimes by insurance association — **協会けんぽ** rates vary across prefectures (employee half ~4.9%-5.3% depending on prefecture); company-specific 健康保険組合 sometimes have lower rates. This tool uses the 協会けんぽ national-average employee half (4.95%) as a default. (2) **標準報酬月額** (the basis for social insurance calculations) is computed by your employer from your April-June salary average plus periodic adjustments, not from your gross monthly directly — for salaries with frequent overtime this can deviate ~10%. (3) Income tax withholding follows the **税額表** (a coarse lookup table based on monthly gross), not the precise annualized calculation — minor monthly differences average to zero over a year via 年末調整. (4) Resident tax is computed by your municipality from your prior-year 確定申告 + adjustments, not from current year — first-year employees pay zero, second-year employees pay the full amount. For HR-grade accuracy, ask your company for an official 給与明細; for personal financial planning, this calculator is fine.

Why do new graduates take home more in their first year?

**Because 住民税 (resident tax) lags by one year.** Resident tax is computed by your municipality based on your prior-year taxable income — for someone who entered the workforce in April 2025, the 2024 income (mostly zero, possibly some part-time) was effectively nothing, so 2025 住民税 is zero. Starting June 2026, your municipality assesses 2025 income and starts withholding **¥10K–¥25K monthly** depending on your salary. The shock — a 10% take-home drop with no raise — is documented in HR onboarding warnings at major Japanese employers. **The math**: ~¥5M annual salary → ~¥240K annual residence tax (just under 5% of gross) → ¥20K/month deduction that did not exist in year 1. This tool defaults to assuming steady-state residence tax for accuracy at year 3+; for first-year estimates, manually subtract the residence tax line from the breakdown.

What is included in the 4 main social insurances?

The four are **健康保険 (health insurance)**, **厚生年金保険 (employees' pension insurance)**, **雇用保険 (employment insurance)**, and **介護保険 (long-term care insurance, age 40+ only)**. **健康保険** covers 70% of medical costs and provides 傷病手当金 sick-leave pay (up to ~⅔ of salary for up to 18 months); employee + employer share split 50:50, total ~9.9% of monthly compensation. **厚生年金** is the contributory pension above the universal 国民年金 base; pays out at age 65, indexed roughly to your contribution history; 18.3% split 50:50 means 9.15% employee share. **雇用保険** funds unemployment insurance — Japan's unemployment benefit is ~50-80% of prior salary for 90-360 days depending on tenure; employee share 0.5%, employer 0.9%. **介護保険** funds the public long-term care system established 2000; mandatory for 40+ only, ~0.81% additional employee share on health-insurance base. Starting April 2026 a fifth line, the **子ども・子育て支援金** (childcare-support levy, employee 0.115%, 0.23% total), is collected alongside health insurance for all ages. All are deducted automatically; employees do not opt in or out. The combined ~15% employee share is the largest deduction category for typical Japanese workers — substantially larger than income tax until ~¥8M annual.

What about ふるさと納税 — does it affect this calculation?

Not directly — **ふるさと納税 (hometown tax)** is technically a donation to a chosen municipality, not a tax deduction; it offsets your residence-tax liability dollar-for-dollar (minus ¥2,000 self-pay) up to a salary-dependent cap, in exchange for a "thank-you gift" (返礼品) worth ~30% of the donation. For an employee earning ¥5M annual with no dependents, the optimal donation cap is roughly **¥60,000-¥80,000 annual** → ¥58K-¥78K in residence-tax offset + ¥20K-¥25K in gift value. The calculation is in this tool's blind spot because it operates on your **gross compensation**, not your tax-filing actions; if you ふるさと納税 ¥60K, your actual residence tax is ¥60K lower than this tool shows, but the gross/手取り numbers in this calculator do not change. To estimate your optimal donation cap, **総務省 ふるさと納税ポータル** has an official simulator; popular third-party sites (さとふる, 楽天ふるさと納税) also have calculators with their gift catalogs.

How does Japan's tax system compare to Korea and the US?

**Japan vs Korea** are surprisingly similar in structure but differ in rate and timing. Both have **4 main social insurances** with employer/employee split (Korean rates lower at ~9% employee total vs Japan ~15%); both have **progressive income tax** in 7-8 brackets with similar top rates (~45% Japan, ~45% Korea); both have a **residence tax** (Korean 지방소득세 ~1% flat add-on to income tax, Japanese 住民税 ~10% with separate per-capita levy). The Japanese system's distinctive feature is the **1-year residence-tax lag** which does not exist in Korea (Korean 지방소득세 is current-year). **Japan vs US** are more different. The US has no national health insurance equivalent — health coverage is through employer plans deducted from paychecks (variable ~5-15% employee share) or Affordable Care Act marketplace (subsidized). US Social Security + Medicare ~7.65% employee share is comparable to Japan's 年金 + 健康 share. US federal income tax is progressive (10-37%) with state tax piled on (0-13%); the combined US effective rate for ¥10M-equivalent income is similar to Japan ~25%, but the deduction landscape (401k, mortgage interest, charitable giving) is much richer.

Related concepts

Japanese payroll taxation reflects a **post-war Beveridge-style universal-coverage social-insurance design** layered on top of a **pre-war progressive income-tax skeleton**. The four social insurances (health, pension, employment, long-term care) were each enacted separately: **健康保険法 (1922)** was Japan's first social insurance, copied from Bismarck's 1883 German model and one of the earliest in Asia. **国民健康保険法 (1958)** completed universal coverage for the self-employed and unemployed. **厚生年金保険法 (1944)** was a wartime measure originally intended to recycle worker savings into government bonds; postwar it became the second tier of public pensions above the universal 国民年金 (1959). **雇用保険** evolved from the pre-war 失業保険法 (1947) through several rounds of expansion. **介護保険** was the newest addition in 2000, responding to projected long-term care demand from the aging population. The cumulative ~15% employee share is comparable to the EU social-charges range; the system is more comprehensive than the US (which lacks national health insurance) but less generous on pensions than France or Germany.

The **withholding-and-reconcile design** is distinctively Japanese. Year-round monthly withholding follows a coarse 税額表 lookup table that intentionally over-collects for most employees; the December **年末調整** reconciles the total against your annual obligation, refunding the difference. Employees who have additional income or itemized deductions can also file 確定申告 (self-assessed annual return) by March 15. This 4-step rhythm — coarse monthly + employer year-end reconcile + optional self-filing — is meant to minimize the number of people who need to file individually with the tax office; in practice **~80% of Japanese employees never file 確定申告** because their employer 年末調整 handles everything. The system's elegance is also its weakness: salary employees see "tax" as a single line on their payslip and underestimate the actual rate. Sole proprietors and high earners file their own 確定申告 and have a much more visceral understanding of the tax math.

Three adjacent **personal-finance concepts** intersect with the 手取り calculation. **NISA (Nippon Individual Savings Account, 2014)** is Japan's ISA-style tax-advantaged investment account — gains and dividends inside NISA are tax-free up to specific annual contribution limits (currently ¥1.2M for tsumitate NISA, ¥2.4M for general NISA). 2024 reforms unified and expanded the limits. **iDeCo (個人型確定拠出年金, 2017 expansion)** is the supplemental defined-contribution pension; contributions are deductible from income tax + residence tax, gains are tax-deferred, and withdrawals are taxed at retirement. Combined NISA + iDeCo can shelter ~¥6M annual for high earners. **ふるさと納税 (hometown tax, 2008)** as discussed above is the residence-tax-redirect program; it has grown into a ~¥1 trillion annual industry of municipal gift catalogs competing for taxpayer attention. Together these three programs let high earners reduce *effective* tax burden by 3-7 percentage points without breaking any rules — but each requires active optimization that this default calculator does not model.

Related articles

Related tools

Korean Net Salary Calculator (실수령액)

Calculators

Estimate monthly take-home pay in South Korea. Subtracts the four-major social insurances (national pension, health, long-term care, employment) and the simplified income tax for 2026 brackets.

Compound Interest Calculator

Calculators

Calculate compound interest with optional recurring contributions. Year-by-year breakdown table and balance growth chart.

Annual Leave Calculator

Calculators

Estimate annual paid leave entitlement by country (KR / JP / US / EU). Inputs are start date, jurisdiction, and (for JP) attendance rate.

Age Calculator

Calculators

Calculate exact age in years, months, and days. Includes Korean traditional age and next birthday countdown.