A whopping 728,000 have money sitting in a tax-free savings account that many don't even know about. If you were born in the UK between September 1, 2002 and January 2, 2011, it is likely you will have a Child Trust Fund (CTF) account. The scheme was launched by the government to encourage children to develop a 'savings habit throughout adulthood', and saw each account start with a minimum of £250 (or £500 for children from lower income families). Even if your parents did not set up an account