Living in Iceland · Taxes

Taxes in Iceland, for foreigners

The Icelandic tax system is unusually transparent: most of the work is done for you. Your job is to make sure the numbers Skatturinn already sees are correct: and to know what happens when something goes wrong.

Last verified 4 August 2026 · skatturinn.is (Skatturinn, Iceland Revenue and Customs)

The shape of the system, in one paragraph

You have a personal ID (kennitala). Your employer reports your salary to Skatturinn every month and withholds tax at source. Once a year, in March, Skatturinn shows you a pre-filled return; you check it, fix anything that's wrong, and submit. If you overpaid, you get a refund in late May or June. If you underpaid, you can pay in instalments.

Your situations, one by one

You just started a job and don't know what a tax card is

What actually happens: Without your tax card (skattkort) registered to your employer, no personal tax credit is applied, so the full 31.49% comes off your first salary instead of the credit reducing it by 72,492 ISK/month (2026).
What to do: Log in to skattur.is with electronic ID, and tell your employer (in writing) to apply your personal credit from your start month. If you have only one job, give it 100%.
The common trap: Letting two employers each apply 100% of the credit. You will owe the difference back at year-end: sometimes a painful amount.

You want to know what bracket your salary falls into

What actually happens: Iceland uses three brackets on monthly income in 2026:
31.49% on the first 498,122 ISK
37.99% from 498,123 to 1,398,450 ISK
46.29% above 1,398,450 ISK
Each band is taxed separately, you do not jump to a higher rate on your whole salary when you cross a line.
What to do: Take your gross monthly salary, subtract 4% pension, then split what's left across the bands above. Subtract 72,492 ISK at the end. That's roughly your withheld tax.

It's March and you haven't done your tax return

What actually happens: The return (skattframtal) for the previous calendar year is due in March on skattur.is. If you don't file, Skatturinn issues an estimated assessment (áætlun), they make up a number, and it is almost always higher than the truth, plus a late-filing surcharge.
What to do: File anyway, even if late. They will replace the estimate with your actual figures. Most people are done in fifteen minutes because the form is pre-filled.
The common trap: Ignoring the estimate hoping it will go away. The number stays on your record and can be sent to collection (innheimta).

You earn money from outside Iceland

What actually happens: If you are a tax resident in Iceland (you live here more than 183 days in a 12-month period), you have unlimited tax liability: meaning Iceland taxes your worldwide income, not just your Icelandic salary. Foreign rent, foreign freelance, foreign dividends all belong on your Icelandic return.
What to do: Add the foreign income on the return. If the foreign country also taxed it, Iceland's double-taxation conventions usually let you offset what you already paid: but only if you declare it.
The common trap: Assuming 'they don't know' about your foreign income. Iceland exchanges tax information with most of Europe, the US, and many others under CRS.

You are leaving Iceland this year

What actually happens: If you leave during the tax year, your return is due before you go: not next March. Skatturinn can hold things you might want later (a refund, a final payslip) until that final return is filed.
What to do: File a final return on skattur.is before departure, leave a forwarding address (or an Icelandic representative), and close any direct-debit links to your Icelandic bank only after the assessment lands.

You stayed in Iceland less than six months

What actually happens: You have limited tax liability: Iceland only taxes income from Icelandic sources. The withholding rates are the same brackets above, and you're allowed the same 4% pension deduction. You file on the form Skatturinn assigns for limited tax liability rather than the standard return; ask the local tax office which current form applies to your case.
What to do: File your limited-liability return with the local tax office before leaving, or as soon as possible after. You may be entitled to a partial refund of the personal credit for the months you were here.

Editor's note (opinion)

The Icelandic tax system is one of the few public services here that treats foreigners exactly like Icelanders, same form, same rates, same deadlines. The pain points are almost always paperwork timing, not unfair treatment. If you stay calm, file on time, and keep your payslips for seven years, you will rarely meet a problem. Companion Iceland