Single Mothers’ Income in Twelve Rich Countries: Differences in Disadvantage across the Distribution

I examine how single motherhood affects income in different quantiles of the distribution in twelve rich countries. Using harmonized data from the Luxembourg Income Study, I show how the distribution of income for households headed by single mothers differs from households with children that are headed by couples. I show that there is a striking variation by country in the influence of single motherhood on income at different points of the distribution. In some countries, such as the United Kingdom, single motherhood has a greater effect on income at the top of the distribution than at the bottom. In others, such as the United States, effects are largest at the bottom of the distribution. I discuss the role of employment and social policies in driving differences between countries in the income penalties associated with single motherhood across the distribution.