How to claim State Pension if you're overseas - payment, tax, change of circumstances - contact the International Pension Centre. How to get and claim your State Pension, State Pension age - for men born on or after 6 April 1951 and women born on or after 6 April 1953.There is no legal retirement age, and employers can no longer force their employees to retire at a particular age. A detailed overview of the UK pension system, its tax implications, and the US-UK tax treaty's impact on US expats. State Pension age is currently 66 years old for both men and women. You can check when you'll receive your State Pension using the GOV. Find out about paying tax if you have retired or receive a pension, and learn about the range of allowances and help that is available. You might have to pay UK tax on your pension income. This is because it's classed as UK income. Prior to the 1986 law, contracted- out occupational plans had to offer defined-benefit pensions, in which benefits were generally linked with the employee's.