Most social protection is provided through contribution-based programmes, which means that protection is usually linked to employment conditions in the formal economy. This article describes the levels, trends and structure of social protection for workers in Latin America, highlighting the relationship between protection and employment conditions. The study is based on a selection of household surveys carried out in various countries in the region: Argentina, Brazil, Bolivia, Chile, Ecuador, Guatemala, Mexico, Nicaragua and Peru. It emphasizes the usefulness of household surveys as sources of information for representative studies on social protection and employment, in spite of the problems of coverage and comparability that they raise.