Research has associated parenthood with greater daily time commitments for fathers and mothers than for childless men and women, and with deeper gendered division of labor in households. How do these outcomes vary across countries with different average employment hours, family and social policies, and cultural attitudes to family care provision? Using nationally representative time-use data from the United States, Australia, Italy, France, and Denmark (N = 5,337), we compare the paid and unpaid work of childless partnered adults and parents of young children in each country. Couples were matched (except for the United States). We found parents have higher, less gender-equal workloads than nonparents in all five countries, but overall time commitments and the difference by parenthood status were most pronounced in the United States and Australia.Parents of young children are among the most time stressed of all demographic groups (Jacobs & Gerson, 2004). Having children is a major lifecourse event that alters how men and women live and how they can allocate their time. Money is required to support children, and there is