A single PAYE worker in Ireland can earn about €20,000 a year before paying any income tax in 2026. That's because your two basic tax credits, the Personal Tax Credit (€2,000) and the Employee Tax Credit (€2,000), add up to €4,000. That €4,000 wipes out the 20% income tax on the first €20,000 you earn.You will still pay USC once your income goes over €13,000, and PRSI once you earn more than €352...