Does getting married actually save you tax in Ireland? For a couple where one partner earns most or all of the income, the answer is a clear yes — and it can be worth thousands a year. This guide shows the exact euro difference in take-home pay between a single person and a jointly assessed one-income couple in 2026.
Figures are from the IrishPAYE calculator on Budget 2026 rates: a single worker versus a married couple assessed jointly with a single income, at the same gross salary.
Single vs married: the take-home difference (2026)
| Gross salary | Single (net/yr) | Married 1-income (net/yr) | Extra / year | Extra / month |
|---|---|---|---|---|
| €40,000 | €33,572 | €35,572 | €2,000 | €167 |
| €50,000 | €39,648 | €42,848 | €3,200 | €267 |
| €60,000 | €44,925 | €48,725 | €3,800 | €317 |
| €80,000 | €54,979 | €58,779 | €3,800 | €317 |
| €100,000 | €64,532 | €68,332 | €3,800 | €317 |
Where the saving comes from
Two features of joint assessment drive the difference:
- A doubled personal credit. A married couple gets a €4,000 personal credit versus €2,000 for a single person — worth €2,000 a year straight away.
- A wider standard rate band. A one-income couple is taxed at 20% up to €53,000, versus €44,000 for a single person. That extra €9,000 taxed at 20% instead of 40% saves up to €1,800 a year.
That's why the benefit grows with salary until it maxes out at about €3,800 once income is high enough to use the full wider band — then it stays flat.
What about two-income couples?
Where both partners work, each keeps their own PAYE credit and part of the band, and up to €35,000 of the band is transferable to the higher earner. The benefit versus two single people is usually smaller, and depends on how the two salaries are split. For a precise figure, use the full calculator and select "Married / Civil Partner — Two Incomes."
Don't leave it on the table
Joint assessment is Revenue's default once you're married or in a civil partnership, but it's worth confirming your credits and band are allocated to the higher earner. Also check you're claiming every tax credit you're entitled to, such as the Home Carer's Credit where one partner cares for a child at home.
Worked example: €60,000 on one income
Take a couple where one partner earns €60,000 and the other isn't working. As a single person, €60,000 gross leaves take-home of about €44,925 a year. Assessed jointly as a married couple, the same €60,000 leaves about €48,725 — a gain of €3,800 a year, or €317 a month, for identical gross pay.
The €3,800 breaks down as €2,000 from the doubled personal credit plus €1,800 from taxing an extra €9,000 at 20% instead of 40%. It's not a loophole — it's simply how Ireland's tax system recognises a household living on one income. If a partner cares for a child at home, the Home Carer's Credit can add up to €1,950 more.
How to make sure you're getting it
Being married doesn't automatically optimise your tax — you need your credits and rate band allocated sensibly:
- Register your marriage or civil partnership with Revenue so you can be jointly assessed (the default once registered).
- Allocate the transferable band and credits to the higher earner where one partner earns much more, so none go unused.
- Review it after any change — a partner stopping work, a new baby, or a big pay change can all shift the most efficient split.
You can model any combination in the take-home pay calculator by switching filing status, or compare the single-person figures in how much tax you pay at every salary.
Frequently asked questions
How much tax does a married couple pay on €50,000?
A one-income couple on €50,000 takes home about €42,848 in 2026 — roughly €3,200 more a year than a single person on €50,000 (€39,648). See how much tax you pay at every salary for the single-person figures.
Is joint assessment always better?
For most couples, yes — especially on one income. In some two-income cases the result is the same as being taxed separately. The calculator lets you compare your exact situation.