What proportion of the population has a degree-level qualification?

According to the Department for Innovation, Universities and Skills (DIUS), in 2007, 30.8% of all adults aged 19-59 (for women)/19-64 (for men) have a qualification at degree level or higher. This represents an increase of 5.6 percentage points since 2001 (25.2 to 30.8%), equivalent to around 1.8 million more people having Higher Education (HE) level qualifications than in 2001.