The average Brit spends the best part of £150K on socialising during their lifetime, according to a study. Research revealed the typical UK adult will enjoy 3,239 social engagements during their adult years, including 159 birthday parties, 1,975 nights out with pals and 1,105 work get-togethers. Nights out with friends are the biggest expense - totalling £71,500 - and £29,100 goes on spending time with colleagues from work. It also emerged we spend a total of one year, five months and three days hanging out with mates. Clare Francis, savings and investments director at Barclays, which carried out the study of 2,000 UK adults, said: "Social occasions can be a considerable drain on your finances and if you're not careful, the cost can get out of control.