earning less than two-thirds of median earnings) and the gender wage gap. Data are expressed in ratios and presented from 1950 …This subset of the OECD Employment and Labour Market Statistics Database contains three earnings-dispersion measures … broken down by gender - ratio of 9th-to-1st, 9th-to-5th and 5th-to-1st - where ninth, fifth (or median) and first deciles are …