USC (Universal Social Charge) is a tax you pay on your income in addition to income tax. It helps fund public services in Ireland.
6 min read
Reviewed against official Irish guidance
Last updated: May 2026
Quick answer
USC is an extra tax on your income. The more you earn, the higher the percentage you pay. It is completely separate from income tax — you cannot use tax credits to reduce it.
How USC works
USC is charged in bands. Each portion of your income is taxed at a different rate. This works the same way as income tax — you do not pay the higher rate on all your income, only on the portion that falls into that band.
If your total income is €13,000 or less in a year, you pay no USC at all.
Worked example
Here is how USC is calculated for someone earning €40,000 per year.
Income band
Amount in band
Rate
USC due
€0 – €12,012
€12,012
0.5%
€60.06
€12,013 – €28,700
€16,688
2%
€333.76
€28,701 – €40,000
€11,299
3%
€338.97
Total USC due
€732.79
This is an example only. Your USC will depend on your exact income and circumstances. Calculation based on Revenue.ie USC calculation method ↗
Common confusion
USC trips people up for a few predictable reasons. Here are the ones that come up most often.
No. USC is a completely separate charge. You pay both USC and PAYE income tax. They are calculated independently and appear as two separate deductions on your payslip.
No. You pay USC on the first €12,012 of income at 0.5%. Most workers in Ireland pay USC. You are only exempt if your total income is €13,000 or less.
No. Tax credits only reduce your income tax liability — not USC. This is one of the main reasons USC can feel unexpectedly high on your payslip even when your income tax looks correct.
Not usually. Unlike income tax, pension contributions generally do not reduce the income on which USC is calculated. USC is charged on your gross income before most deductions.