New research has found age 34 is the happiest of our lives on average . It 's when people start ticking off boxes including marriage and children . Study of 2,000 over-40s found it was when most people were happiest . It 's also the age when we 're most comfortable with ourselves . Most people said that they had become happier as they had grown older . Celebrities who are aged 34 include Katherine Jenkins .
New research has found age 34 is the happiest of our lives on average . It 's when people start ticking off boxes including marriage and children . Study of 2,000 over-40s found it was when most people were happiest . It 's also the age when we 're most comfortable with ourselves . Most people said that they had become happier as they had grown older . Celebrities who are aged 34 include Holly .