Male managers in Britain earn 10,000 pounds a year more than their female counterparts and it could be almost 60 years before that gap is closed, a Chartered Management Institute survey said.

The institute’s investigation showed salaries for women in charge were increasing slightly faster than those for male bosses — up 2.8% over the last 12 months — but some top-earning men were paid a quarter more than the opposite sex.

The survey, taking data from 43,312 people in 197 organisations, showed the average salary for a male manager stood at $15,750 more than that of a female boss, with current rates of wage inflation pointing to a 57-year wait for equality.