The decline in fertility in Australia in the 1990s reflected both decreased first-order birth rates and decreased second-order birth rates (Kippen 2004). Whilst childlessness has been studied extensively, little attention has been paid to the progression from one to two children. This study analyses which women stop at one child using data from 1,809 parous 40-54 year olds from Wave 1 of the Household Income and Labour Dynamics in Australia (HILDA) survey. Important early lifecourse predictors of whether a woman stops her childbearing at one child are shown to be a woman’s country of birth, highest level and type of schooling, and her father’s occupation. A woman’s marital status and her age at the time of the first birth are also shown to ...