United Kingdom vs Ireland: Tax Comparison

Compare income tax rates and take-home pay between United Kingdom and Ireland

You'd keep $3,847 more in United Kingdom

United Kingdom · London

27.9% tax

Ireland

31.8% tax

$321/mo difference

Side-by-side breakdown

United Kingdom · London

2025-26

28%

Income

Gross Salary$100,000
Personal Allowance-$16,767
Taxable Income$83,233

Taxes & Contributions

Basic Rate-$10,057
Higher Rate-$13,179
National Insurance (Class 1 Employee)-$4,682
Total Taxes-$27,918
NET ANNUAL PAY$72,082
Per Month$6,007
Effective Rate27.9%

Ireland

2025

32%

Income

Gross Salary$100,000
Tax Credit-$4,646
Taxable Income$100,000

Taxes & Contributions

Standard Rate-$10,222
Higher Rate-$19,556
Universal Social Charge (USC)-$3,405
Pay-Related Social Insurance (PRSI) - Class A1-$3,228
Total Taxes-$31,765
NET ANNUAL PAY$68,235
Per Month$5,686
Effective Rate31.8%

Tax rate by income level

Ireland
United Kingdom

Understanding the difference

The bracket cliff

Ireland taxes you at 40% much earlier (€44k) than the UK (£37.7k), but the UK adds a punishing 45% top rate. Neither is forgiving once you climb; both make mid-career earners feel the squeeze hard.

Social contributions are the real game

The UK's National Insurance feels gentler at the entry point, but Ireland's USC and PRSI stack together and catch nearly everything you earn. Ireland's system is progressive and supposedly funds the safety net; the UK's feels more like a tax by another name.

Where your money goes

The UK funds the NHS (universal healthcare) and a threadbare but universal safety net. Ireland funds healthcare (still with private-sector gaps), better-funded schools, and one of Europe's strongest social safety nets. Both deliver; Ireland just asks you to pay more for it.

Who should move where

UK wins if you value simplicity and lower early-career tax. Ireland wins if you earn solid money and want to invest in a genuinely functioning state. Neither is a tax haven; both expect you to pay your way.

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