This group and the 45 to 59 group contribute most to earnings inequality. Lastly, employed people aged 60 and over contribute an average of 12% of inequality, whereas they represent only 9% of those in work (see figure 1.17). These problems create feelings of uncertainty and unease among working people, particularly those who have unstable and informal jobs, possess less human capital, are in a worse socioeconomic situation and live in countries affected by severe structural heterogeneity .