We document evidence on preferences for childbearing in developing countries. Across countries, men usually desire larger families than women do. Within countries, we find wide dispersion in spouses' desired fertility: there are many couples whose ideal family size differs by five children or...

In this survey, we argue that the economic analysis of fertility has entered a new era. First-generation models of fertility choice were designed to account for two empirical regularities that, in the past, held both across countries and across families in a given country: a negative...