the category receiving the lowest monthly income is domestic service workers of whom are women eclac b whose income is slightly lower than that of unskilled selfemployed workers the monthly income of ownaccount workers is relatively similar to that of public sector workers although it is not possible to monitor the working life and the trend in labour income of each member of the active labour force on the basis of household surveys an analysis of labour income levels in different age cohorts gives a good indication as shown in figure i b and as may be expected labour income wages income from independent work or employers earnings increases as workers gain more experience nonetheless labour income levels are clearly the highest among workers aged years and then decline gradually by on average for those aged years and by among workers aged years