Which has lower income tax, Japan or Panama?

Panama has the lower effective income tax on a $100k single-resident profile in 2026: Japan ~36.9% vs Panama ~28.1% on the default schedule (before any special regimes).

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

On the default progressive schedule, a $100k single resident pays an effective rate of ~36.9% in Japan and ~28.1% in Panama for the 2026 tax year. Special regimes can lower these significantly.

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

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

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

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

Does Japan or Panama tax foreign income?

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

Which currency does Japan vs Panama use?

Japan uses JPY (¥); Panama uses USD ($).

Home/Compare/Japan vs Panama · $100,000#CMP-26298

ParametersFromJapan→ToPanamaGross$100,000FilingSinglePeriodFY 2026

Residency model

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§ 01 · The verdict

Japan leaves you with $13,100 more per year — a 18.2% net advantage over Panama on a $100,000 gross.

Most of the gap is opened by Japan's Non-Permanent Resident regime, which displaces the standard schedule. Both countries are indicated in USD at the displayed FX.

Net delta · annual

+$13,100

in favour of Japan

Monthly

+$1,092

Over 5 yrs

+$65,500

Rate gap

13.1 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

PA·Panama CityUSD · base currency

Panama

Standard tax (no special regime)

Effective tax rate

28.1%

on $100,000 gross

Net take-home

$71,900

$5,992 / month

Statutory deductionsUSD

Personal income tax progressive · top 25%	$18,350
Social security 9.8% employee · uncapped	$9,750
Total deductions	$28,100
Gross income	$100,000
Net take-home	$71,900

§ 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

Panama28.1% effective

$0 → $100,000

PIT · $18,350

Social · $9,750

NET · $71,900

Income tax (PIT)Social chargeNet take-home

Δ net+$13,100·18.2% advantage JA

§ 03 · Full ledger

Line-item reconciliation.

All amounts USD · FY2026

Instrument	Japan · USD	Panama · USD	Δ (PA − JP)
I. Personal income tax
Personal income tax JPnpr · 0% flatPAprogressive · top 25%	—	$18,350	+$18,350
subtotal · personal income tax	$0	$18,350	+$18,350
II. Mandatory social security & health
~15% total (health + pension + employment). JP15.0% · uncappedPA9.8% · uncapped	$15,000	$9,750	−$5,250
subtotal · mandatory social security & health	$15,000	$9,750	−$5,250
Total deductions	$15,000	$28,100	+$13,100
Effective rate	15.0%	28.1%	13.1 pp
Gross income	$100,000	$100,000	—
Net take-home	$85,000	$71,900	−$13,100
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	Panama	Δ
Cost-of-living index Indicative · placeholder until COL table ships	70.0	50.0	-20.0 pts
Nominal net (annual) From the engine — exact	$85,000	$71,900	−$13,100
Real net · Panama basket	$60,714	$71,900	+$11,186

Real purchasing power · annual

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

Japan

$60,714

nominal $85,000

Panama

$71,900

nominal $71,900

Real delta · annual

+$11,186

a 18.4% advantage to Panama 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…

Panama · 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 14:04:43 GMT

Engine v0.1.0

Confidence · High (JP), High (PA)

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