Percent of married/cohabiting mothers and lone mothers, employed in selected OECD countries (most recent available data), and percentage of young children in out of home ECEC( selected countries). Source: Sheila B. Kamerman (2000). Early childhood education and care: an overview of developments in the OECD countries, International Journal of Educational Reseach, 33, pp7-29. New York: Elsevier Science Ltd From age 1. when basic paid leave ends; but all three have supplementary paid and job protected parental or child rearing leaves. 3 and 4 year olds, because compulsory school begins at age 5. In which country the percentage of employed married/cohabiting mothers and lone mothers are the closest?