Have you ever heard of ‘tax freedom day’? It’s a concept devised and calculated by the Adam Smith Institute, designed to measure the point in the year when we notionally stop paying taxes and start putting money into our own pockets. The later this day falls in the year, the greater the tax burden we suffer from every source. This year, HM Treasury eats up the first 162 days of our earnings, with tax freedom day falling six days later than the year before, on 17th June. But what about measuring how long it takes for the average UK full-time employee to earn the equivalent of a full year of state pension payments? This is the challenge taken on by insurer Aviva in new research designed to highlight the potential gap faced by those who rely solely on a state pension income in retirement.