Ireland vs United Kingdom: Tax Comparison

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

You'd keep $6,867 more in United Kingdom

United Kingdom

27.7% tax

Ireland

34.6% tax

$572/mo difference

Side-by-side breakdown

United Kingdom

2025/26

28%

Income

Gross Salary$100,000
Personal allowance-$17,014
Taxable Income$82,986

Taxes & Contributions

Basic rate-$10,206
Higher rate-$12,783
Class 1 National Insurance (employee)-$4,721
Total Taxes-$27,710
NET ANNUAL PAY$72,290
Per Month$6,024
Effective Rate27.7%

Ireland

2026

35%

Income

Gross Salary$100,000
Taxable Income$100,000

Taxes & Contributions

Standard rate-$10,365
Higher rate-$19,270
Employee PAYE tax credit+$2,356
PRSI Class A1 (Employee)-$4,280
Universal Social Charge (USC)-$3,018
Total Taxes-$34,578
NET ANNUAL PAY$65,422
Per Month$5,452
Effective Rate34.6%

Tax rate by income level

Ireland
United Kingdom

Understanding the difference

Why People Choose Ireland

Ireland's tax setup favors steady mid-career earners with a lower top rate that kicks in much higher than the UK. You're also paying into a system that funds one of Europe's best corporate hubs, which means strong job markets and wage growth to offset the social charges.

The UK's Steeper Climb

The UK hits you with higher earner tax rates sooner and compounds it with National Insurance that doesn't taper as gently. You get robust public services in return, but on paper your gross paycheck takes a bigger immediate hit.

What Actually Stings

Ireland's PRSI and USC don't reduce your taxable income, so they feel like a surprise second hit. The UK's system is more transparent, but its National Insurance threshold is set deliberately low to catch more workers; it's a hidden payroll tax, not a visible deduction.

The Real Winner

For most employees, Ireland comes out ahead unless you're chasing very high income, where the UK's additional rate of 45% bites hard. Both countries offer strong public services; Ireland just lets you keep a bit more to spend as you choose.

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