This article by the Office for National Statistics (ONS), published in December 2010, claims that the full-time gender pay gap in the UK (for median hourly earnings, excluding overtime) has narrowed by two percentage points between 2009 and 2010. However, there must be some smart sociologists working at the ONS because they savvily acknowledge that
Although mean and median hourly rates provide useful comparisons between the earnings of men and women, they do not necessarily indicate differences in rates of pay for comparable jobs. Pay averages are affected by the different work patterns of men and women, such as the proportions in different occupations, their length of time in jobs, and whether they work full-time or part-time.
Read the full article here.