TAX ON INCOME IN SPAIN In general, tax and Social Security deductions discounted from gross pay are approximately 25%. This can vary depending on your level of salary and personal circumstances. To calculate the adequate deduction according to your personal situation you can visit the webpage for the Tax Office: http://www.aeat.es At the start of the process for Income Tax (Impuesto sobre la Renta de las Personas Físicas), which runs from April to June, the administration team will offer you support for the steps you must follow to complete your tax obligations. Doc. last updated February 2nd Juan Martínez