The proportion of teenage mothers (aged under 20) has decreased over time (3.8% in 2010 compared with 1.8% in 2020), and the proportion of mothers aged 40 and over has increased (4.1% in 2010 compared with 4.5% in 2020).
Mothers aged 29 or under were more likely than those aged 30 and over to be public patients and to give birth in public hospitals.
Three in 5 Indigenous mothers were aged between 20 and 29 (60%), with 29% aged 20–24. The proportion of Indigenous teenage mothers (aged under 20) has been falling over time, from 20% in 2010 to 11% in 2020, with a corresponding increase in those aged 25–29 (from 24% to 30%).
For more information on maternal age see National Perinatal Data Collection annual update data table 2.1.
AIHW (Australian Institute of Health and Welfare) (2018) Teenage mothers in Australia 2015, AIHW, Australian Government, accessed 15 June 2022.
Cavazos-Rehg PA, Krauss MJ, Spitznagel EL, Bommarito K, Madden T, Olsen MA, Subramaniam H, Peipert JF and Bierut LJ (2015) ‘Maternal age and risk of labor and delivery complications’, Maternal and Child Health Journal, 19(6):1202–1211, doi:10.1007/s10995-014-1624-7.
Marozio L, Picardo E, Filippini C, Mainolfi E, Berchialla P, Cavallo F, Tancredi A and Benedetto C (2019) ‘Maternal age over 40 years and pregnancy outcome: a hospital-based survey’, Journal of Maternal-Fetal and Neonatal Medicine, 32(10):1602–1608, doi:10.1080/14767058.2017.1410793.