Which has lower income tax, Mexico or Portugal?

Mexico has the lower effective income tax on a $100k single-resident profile in 2026: Mexico ~30.4% vs Portugal ~40.1% on the default schedule (before any special regimes).

What's the effective tax rate at $100k in Mexico vs Portugal?

On the default progressive schedule, a $100k single resident pays an effective rate of ~30.4% in Mexico and ~40.1% in Portugal for the 2026 tax year. Special regimes can lower these significantly.

How many days to become tax resident of Mexico vs Portugal?

Mexico: 183+ days of physical presence. Portugal: 183+ days of physical presence.

Does Mexico or Portugal have a better special regime for expats?

Mexico's headline regime is RESICO (Simplified Regime) (2%); Portugal's is IFICI (NHR 2.0) (20%). On pure headline rate, Mexico's RESICO (Simplified Regime) is more aggressive.

Does Mexico or Portugal tax foreign income?

Mexico taxes residents on worldwide income. Portugal taxes residents on worldwide income.

Which currency does Mexico vs Portugal use?

Mexico uses MXN ($); Portugal uses EUR (€).

Home/Compare/Mexico vs Portugal · $100,000#CMP-84882

ParametersFromMexico→ToPortugalGross$100,000FilingSinglePeriodFY 2026

Residency model

Edit parameters →

§ 01 · The verdict

Mexico leaves you with $9,718 more per year — a 16.2% net advantage over Portugal 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

+$9,718

in favour of Mexico

Monthly

+$810

Over 5 yrs

+$48,592

Rate gap

9.7 pp

Confidence

High

MX·Mexico CityMXN → USD @ 0.0513

Mexico

Standard tax (no special regime)

Effective tax rate

30.4%

on $100,000 gross

Net take-home

$69,629

$5,802 / month

Statutory deductionsUSD

Personal income tax progressive · top 35%	$26,271
Social security 4.1% employee · uncapped	$4,100
Total deductions	$30,371
Gross income	$100,000
Net take-home	$69,629

PT·LisbonEUR → USD @ 1.0870

Portugal

Standard tax (no special regime)

Effective tax rate

40.1%

on $100,000 gross

Net take-home

$59,911

$4,993 / month

Statutory deductionsUSD

Personal income tax progressive · top 48%	$29,089
Social security 11.0% employee · uncapped	$11,000
Total deductions	$40,089
Gross income	$100,000
Net take-home	$59,911

§ 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.

Mexico30.4% effective

$0 → $100,000

PIT · $26,271

NET · $69,629

Portugal40.1% effective

$0 → $100,000

PIT · $29,089

Social · $11,000

NET · $59,911

Income tax (PIT)Social chargeNet take-home

Δ net+$9,718·16.2% advantage ME

§ 03 · Full ledger

Line-item reconciliation.

All amounts USD · FY2026

Instrument	Mexico · USD	Portugal · USD	Δ (PT − MX)
I. Personal income tax
Personal income tax MXprogressive · top 35%PTprogressive · top 48%	$26,271	$29,089	+$2,818
subtotal · personal income tax	$26,271	$29,089	+$2,818
II. Mandatory social security & health
IMSS + AFORE ~4.1%. MX4.1% · uncappedPT—	$4,100	—	−$4,100
11% of gross, no cap. MX—PT11.0% · uncapped	—	$11,000	+$11,000
subtotal · mandatory social security & health	$4,100	$11,000	+$6,900
Total deductions	$30,371	$40,089	+$9,718
Effective rate	30.4%	40.1%	9.7 pp
Gross income	$100,000	$100,000	—
Net take-home	$69,629	$59,911	−$9,718
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	Mexico	Portugal	Δ
Cost-of-living index Indicative · placeholder until COL table ships	40.0	56.0	+16.0 pts
Nominal net (annual) From the engine — exact	$69,629	$59,911	−$9,718
Real net · Portugal basket	$97,481	$59,911	−$37,570

Real purchasing power · annual

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

Mexico

$97,481

nominal $69,629

Portugal

$59,911

nominal $59,911

Real delta · annual

+$37,570

a 62.7% advantage to Mexico 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 ↗

Mexico · source instruments

Personal income tax code · brackets 2026
Social-insurance contribution schedule 2026
RESICO (Simplified Regime) · Self-employed individuals with revenue ≤ MXN 3.5M; national…

Portugal · source instruments

Personal income tax code · brackets 2026
Social-insurance contribution schedule 2026
IFICI (NHR 2.0) · Not Portuguese tax resident in prior 5 years + Bachelor's +…

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 · Fri, 22 May 2026 16:48:27 GMT

Engine v0.1.0

Confidence · High (MX), High (PT)

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