The report also found that the PhD unemployment rate varies with the age at which people received their PhD. The rate varies from 0.6 per cent for those receiving PhDs before the age of 26, to 5.8 per cent for those above 40. The report also finds that unemployment rates are lower for male PhDs who are married compared with those who are single, with the opposite happening for female PhDs. The figures also reveal that teaching is the most secure profession, with only 0.4 per cent of physics teachers with PhDs unemployed.