Which has lower income tax, Australia or Mexico?

Australia has the lower effective income tax on a $100k single-resident profile in 2026: Australia ~26.7% vs Mexico ~30.4% on the default schedule (before any special regimes).

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

On the default progressive schedule, a $100k single resident pays an effective rate of ~26.7% in Australia and ~30.4% in Mexico for the 2026 tax year. Special regimes can lower these significantly.

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

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

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

Mexico has a dedicated ICP regime (RESICO (Simplified Regime), 2%); Australia has none currently modeled, so the default schedule applies there.

Does Australia or Mexico tax foreign income?

Australia taxes residents on worldwide income. Mexico taxes residents on worldwide income.

Which currency does Australia vs Mexico use?

Australia uses AUD (A$); Mexico uses MXN ($).

Home/Compare/Australia vs Mexico · $100,000#CMP-53506

ParametersFromAustralia→ToMexicoGross$100,000FilingSinglePeriodFY 2026

Residency model

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§ 01 · The verdict

Australia leaves you with $3,648 more per year — a 5.2% net advantage over Mexico 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

+$3,648

in favour of Australia

Monthly

+$304

Over 5 yrs

+$18,241

Rate gap

3.6 pp

Confidence

High

AU·SydneyAUD → USD @ 0.6579

Australia

Standard tax (no special regime)

Effective tax rate

26.7%

on $100,000 gross

Net take-home

$73,278

$6,106 / month

Statutory deductionsUSD

Personal income tax progressive · top 45%	$24,722
Social security 2.0% employee · uncapped	$2,000
Total deductions	$26,722
Gross income	$100,000
Net take-home	$73,278

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

§ 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.

Australia26.7% effective

$0 → $100,000

PIT · $24,722

NET · $73,278

Mexico30.4% effective

$0 → $100,000

PIT · $26,271

NET · $69,629

Income tax (PIT)Social chargeNet take-home

Δ net+$3,648·5.2% advantage AU

§ 03 · Full ledger

Line-item reconciliation.

All amounts USD · FY2026

Instrument	Australia · USD	Mexico · USD	Δ (MX − AU)
I. Personal income tax
Personal income tax AUprogressive · top 45%MXprogressive · top 35%	$24,722	$26,271	+$1,548
subtotal · personal income tax	$24,722	$26,271	+$1,548
II. Mandatory social security & health
Medicare Levy +2% of taxable income. Superannuation is employer-paid. AU2.0% · uncappedMX—	$2,000	—	−$2,000
IMSS + AFORE ~4.1%. AU—MX4.1% · uncapped	—	$4,100	+$4,100
subtotal · mandatory social security & health	$2,000	$4,100	+$2,100
Total deductions	$26,722	$30,371	+$3,648
Effective rate	26.7%	30.4%	3.6 pp
Gross income	$100,000	$100,000	—
Net take-home	$73,278	$69,629	−$3,648
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	Australia	Mexico	Δ
Cost-of-living index Indicative · placeholder until COL table ships	80.0	40.0	-40.0 pts
Nominal net (annual) From the engine — exact	$73,278	$69,629	−$3,648
Real net · Mexico basket	$36,639	$69,629	+$32,991

Real purchasing power · annual

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

Australia

$36,639

nominal $73,278

Mexico

$69,629

nominal $69,629

Real delta · annual

+$32,991

a 90.0% 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 ↗

Australia · source instruments

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

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…

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 14:04:11 GMT

Engine v0.1.0

Confidence · High (AU), High (MX)

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