Gustavia, St Barths
🇫🇷 Tax calculator · current to September 2026

Income tax in St Barths, on your number.

Enter your income. Gustavia recalculates: the tax, the effective rate, what is left, and the rank among 100 places.

In short, current to September 2026

  • On $1M a year, Gustavia keeps $551,013 after 45% income tax.
  • Gustavia ranks 74 of the 100 places on the board on what is left of $1M, level with 8 others.
  • A resident pays about 35% on a capital gain in St Barths. St Barths carries no annual wealth tax.
  • St Barths runs a regime for new arrivals: For the first 5 years a new resident is treated as a French tax resident and pays French income tax on worldwide income. From the sixth year St Barths tax domicile applies, with no income tax and French tax only on French source income.

Official source: Légifrance. Checked against it on . The record.

Source: the Patrician.ch board, an original ranking of 100 residence addresses across 47 countries and territories. Tax rates, thresholds and routes are sourced. Cost, safety, schools, sun and beauty are Patrician.ch editorial indices. Figures current to September 2026. Updated . Cite as: Patrician.ch, St Barths income tax calculator 2026: $300K to $10M incomes, patrician.ch/calculator/st-barths/, September 2026.

On $1,000,000 a year, Gustavia leaves you $551,013 after 45% income tax. That ranks 74 of 100 places.

Rank of 100AddressIncome taxEffectiveYou keep
74Gustavia$448,98745%$551,013

Income tax only, single filer, indicative 2026 headline rates, built for incomes from $300,000 to $10,000,000 and converted at the board's reference rates. Places level on what is left share a rank. Where an address is modeled on its regime for new arrivals, its page names the regime. Published comparison research, not tax, legal or immigration advice.

By income

Gustavia, from $300K to $10M.

IncomeIncome taxEffectiveYou keepYou keep, EURRank of 100
$300,000$108,68736%$191,313EUR 167,81865
$1,000,000$448,98745%$551,013EUR 483,34574
$3,000,000$1,428,98748%$1,571,013EUR 1,378,08176
$10,000,000$4,858,98749%$5,141,013EUR 4,509,66076

Beyond income tax.

A resident pays about 35% on a capital gain in St Barths. St Barths carries no annual wealth tax. Children taxed. St Barths levies succession and gift duties under its own Code des contributions, on children as well as more distant heirs. The 2024 revision sets a €150,000 allowance per child and a 25% base rate on gifts in the direct line.

Gustavia: tax, residence and the life · All 100 places in one calculator

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Questions

The short answers.

How much income tax does a $1M earner pay in St Barths?

45% effective on the Patrician.ch 2026 model, $448,987 of tax, so $551,013 is kept.

Single filer, income tax only, before social contributions. Gustavia ranks 74 of the 100 places on the board on what is left.

What is the income tax rate in St Barths at $300K, $3M and $10M?

Effective income tax is 36% on $300,000, 48% on $3,000,000 and 49% on $10,000,000.

Those are effective rates, the tax divided by the income, on the same single-filer model.

How is a US citizen taxed on income in St Barths?

The US taxes its citizens wherever they live. With US citizen ticked, the calculator charges the higher of the tax in St Barths and the US federal tax on the same income.

On $1M at Gustavia that comes to $448,987, 45% effective. State tax, credits and treaty relief are not modeled.

Does St Barths have a tax regime for new arrivals?

St Barths runs a regime for new arrivals: For the first 5 years a new resident is treated as a French tax resident and pays French income tax on worldwide income. From the sixth year St Barths tax domicile applies, with no income tax and French tax only on French source income.

Where an address is modeled on its regime, its page says so.

What does the calculator leave out?

Social contributions, most deductions, wealth tax, capital gains and treaties. It is built for incomes from $300,000 to $10,000,000.

Amounts convert at the board's fixed reference rates, EUR 1 to $1.14.

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Your position, not the average

This page is the general case. Your income and passports rank all 100 differently.

The engine takes what you earn and what you hold, then orders every address on the board against it.

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The general case, ranked: Where should high earners live in 2026 · Best country to live in if you are rich · Best countries for high earners after tax · Europe · United States · Americans moving abroad · Tax calculator · Keep Index 2026 · Rankings

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Tax figures use a simplified marginal model with indicative 2026 brackets for a non-US single filer, ignore social contributions, most deductions, wealth taxes, and treaties, and are not advice. Residence rules change often. Verify before acting.

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