Which has lower income tax, Japan or Singapore?

Singapore has the lower effective income tax on a $100k single-resident profile in 2026: Japan ~36.9% vs Singapore ~7.5% on the default schedule (before any special regimes).

What's the effective tax rate at $100k in Japan vs Singapore?

On the default progressive schedule, a $100k single resident pays an effective rate of ~36.9% in Japan and ~7.5% in Singapore for the 2026 tax year. Special regimes can lower these significantly.

How many days to become tax resident of Japan vs Singapore?

Japan: multi-factor residency test ("Address" or 1+ year residence). Singapore: 183+ days of physical presence.

Does Japan or Singapore have a better special regime for expats?

Japan has a dedicated ICP regime (Non-Permanent Resident, 0%); Singapore has none currently modeled, so the default schedule applies there.

Does Japan or Singapore tax foreign income?

Japan taxes residents on worldwide income. Singapore uses a territorial system — only locally-sourced income is taxed.

Which currency does Japan vs Singapore use?

Japan uses JPY (¥); Singapore uses SGD (S$).

Home/Compare/Japan vs Singapore · $100,000#CMP-26397

ParametersFromJapan→ToSingaporeGross$100,000FilingSinglePeriodFY 2026

Residency model

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§ 01 · The verdict

Singapore leaves you with $7,500 more per year — a 8.8% net advantage over Japan on a $100,000 gross.

The gap is driven by the headline tax structure — no special regime applied. Both countries are indicated in USD at the displayed FX.

Net delta · annual

+$7,500

in favour of Singapore

Monthly

+$625

Over 5 yrs

+$37,500

Rate gap

7.5 pp

Confidence

High

JP·TokyoJPY → USD @ 0.0066

Japan

Non-Permanent Resident

Effective tax rate

15.0%

on $100,000 gross

Net take-home

$85,000

$7,083 / month

Statutory deductionsUSD

Personal income tax npr · 0% flat	—
Social security 15.0% employee · uncapped	$15,000
Total deductions	$15,000
Gross income	$100,000
Net take-home	$85,000

SG·SingaporeSGD → USD @ 0.7463

Singapore

Standard tax (no special regime)

Effective tax rate

7.5%

on $100,000 gross

Net take-home

$92,500

$7,708 / month

Statutory deductionsUSD

Personal income tax progressive · top 24%	$7,500
Social security no statutory contribution	—
Total deductions	$7,500
Gross income	$100,000
Net take-home	$92,500

§ 02 · Where the paycheck goes

Flow of $100,000.

Width of each segment is its share of gross. NET segment is what crosses the finish line into the user's account.

Japan15.0% effective

$0 → $100,000

Social · $15,000

NET · $85,000

Singapore7.5% effective

$0 → $100,000

NET · $92,500

Income tax (PIT)Social chargeNet take-home

Δ net+$7,500·8.8% advantage SI

§ 03 · Full ledger

Line-item reconciliation.

All amounts USD · FY2026

Instrument	Japan · USD	Singapore · USD	Δ (SG − JP)
I. Personal income tax
Personal income tax JPnpr · 0% flatSGprogressive · top 24%	—	$7,500	+$7,500
subtotal · personal income tax	$0	$7,500	+$7,500
II. Mandatory social security & health
~15% total (health + pension + employment). JP15.0% · uncappedSG—	$15,000	—	−$15,000
subtotal · mandatory social security & health	$15,000	$0	−$15,000
Total deductions	$15,000	$7,500	−$7,500
Effective rate	15.0%	7.5%	-7.5 pp
Gross income	$100,000	$100,000	—
Net take-home	$85,000	$92,500	+$7,500
Table 1 · Statutory deductions, single-filer remote worker, FY2026 indicative. All amounts in USD. n/a where instrument does not apply.

§ 04 · Cost-of-living adjusted · secondary

And once the paycheck has to buy something.

We treat this section as secondary — the tax model is precise; the price model is a survey instrument with wider error bars.

PPP basis · NYC = 100	Japan	Singapore	Δ
Cost-of-living index Indicative · placeholder until COL table ships	70.0	88.0	+18.0 pts
Nominal net (annual) From the engine — exact	$85,000	$92,500	+$7,500
Real net · Japan basket	$85,000	$73,580	−$11,420

Real purchasing power · annual

Net take-home, re-expressed in Japan-basket dollars.

Japan

$85,000

nominal $85,000

Singapore

$73,580

nominal $92,500

Real delta · annual

+$11,420

a 15.5% advantage to Japan once basket prices are normalised.

Indicative only — wider error bars than the tax model.

§ 05 · Methodology & sources

How this comparison was built.

Every line above can be traced to a primary instrument. We publish the model; you may toggle its parameters.

Read the full note ↗

Japan · source instruments

Personal income tax code · brackets 2026
Social-insurance contribution schedule 2026
Non-Permanent Resident · Foreigner with no domicile in Japan + present <5 years in l…

Singapore · source instruments

Personal income tax code · brackets 2026
Social-insurance contribution schedule 2026
No special regimes recorded for this jurisdiction.

Model assumptions

01.Single filer, no dependents. Joint and head-of-household calculations not yet modeled.
02.Income treated as employment, not self-employed unless explicitly set.
03.Special regimes assumed eligible where the headline criteria fit; otherwise the standard schedule applies.
04.FX held constant at the displayed static rate across the period.
05.No equity, RSU, capital gains, or carried interest.
06.No treaty offsets applied — see HOME model for the US-resident case.
07.Filing status assumed Single. Joint and head-of-household calculations not yet modeled.
08.Tax year 2026 with 2025 transitional rates where applicable.

Last refreshed · Thu, 21 May 2026 12:33:31 GMT

Engine v0.1.0

Confidence · High (JP), High (SG)

Cite this comparison ↗

Disclaimer — Comparely publishes modelled estimates for informational purposes and does not constitute legal, tax, accounting, or immigration advice. Statutory rates, social-charge ceilings, FX, and elective regimes change. Eligibility for any special regime is subject to qualifying conditions beyond income alone. Consult a qualified adviser before acting on any figure displayed.

§ 06 · Related pairs

Other jurisdictions worth a glance.

4 pairs