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Decomposing fertility rates – how are changing relationship patterns and increasing singlehood contributing to fertility decline?

Author

Listed:
  • Anna Reimondos

    (Australian National University)

  • Bethan Allen

    (Australian National University)

  • Edith Gray

    (Australian National University)

  • Ann Evans

    (Australian National University)

Abstract

Most children are born to cohabiting or married parents and being in a relationship is largely seen as a pre-requisite to childbearing. As such, the overall fertility rate of a country is influenced both by the proportion of the population that is partnered, and the fertility behaviour of those who are partnered. In many countries, including Australia, partnership rates have declined, and an increasing proportion of the population is single at any point in time. This paper examines how Australian fertility rates, from 1991 to 2019, have been affected by changing relationship patterns, and particularly the increasing rate of singlehood. We find that the decline in the proportion who are partnered has had a negative contribution to fertility levels, particularly at the younger ages.

Suggested Citation

  • Anna Reimondos & Bethan Allen & Edith Gray & Ann Evans, 2025. "Decomposing fertility rates – how are changing relationship patterns and increasing singlehood contributing to fertility decline?," Journal of Population Research, Springer, vol. 42(3), pages 1-20, September.
  • Handle: RePEc:spr:joprea:v:42:y:2025:i:3:d:10.1007_s12546-025-09382-1
    DOI: 10.1007/s12546-025-09382-1
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    1. Marcel Raab & Emanuela Struffolino, 2020. "The Heterogeneity of Partnership Trajectories to Childlessness in Germany," European Journal of Population, Springer;European Association for Population Studies, vol. 36(1), pages 53-70, March.
    2. Bruno D. Schoumaker & David A. Sánchez‐Páez, 2024. "Disruptions in Educational Progress and Fertility Dynamics by Educational Level: Unraveling the Link between Education and Fertility Stalls in Sub‐Saharan Africa," Population and Development Review, The Population Council, Inc., vol. 50(1), pages 59-85, March.
    3. Albert Esteve & Diederik Boertien & Ryohei Mogi & Mariona Lozano, 2020. "Moving out the parental home and partnership formation as social determinants of low fertility," Vienna Yearbook of Population Research, Vienna Institute of Demography (VID) of the Austrian Academy of Sciences in Vienna, vol. 18(1), pages 33-37.
    4. Jalovaara, Marika & Fasang, Anette Eva, 2017. "From never partnered to serial cohabitors: union trajectories to childlessness," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 36, pages 1703-1720.
    5. Linus Andersson, 2023. "A Novel Macro Perspective on Family Dynamics: The Contribution of Partnership Contexts of Births to Cohort Fertility Rates," Population and Development Review, The Population Council, Inc., vol. 49(3), pages 617-649, September.
    6. Daniela Bellani & Lesia Nedoluzhko & Gøsta Esping-Andersen, 2017. "Never partnered: A multilevel analysis of lifelong singlehood," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 37(4), pages 53-100.
    7. Julia Hellstrand & Jessica Nisén & Mikko Myrskylä, 2022. "Less Partnering, Less Children, or Both? Analysis of the Drivers of First Birth Decline in Finland Since 2010," European Journal of Population, Springer;European Association for Population Studies, vol. 38(2), pages 191-221, May.
    8. Deirdre Bloome & Shannon Ang, 2020. "Marriage and Union Formation in the United States: Recent Trends Across Racial Groups and Economic Backgrounds," Demography, Springer;Population Association of America (PAA), vol. 57(5), pages 1753-1786, October.
    9. Bernice Kuang & Hill Kulu & Ann Berrington & Sindhu Vasireddy, 2025. "The changing inter-relationship between partnership dynamics and fertility trends in Europe and the United States: A review," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 52(7), pages 179-228.
    10. Marika Jalovaara & Anette Fasang, 2017. "From never partnered to serial cohabitors: Union trajectories to childlessness," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 36(55), pages 1703-1720.
    11. Valentina Tocchioni, 2018. "Exploring the childless universe: Profiles of women and men without children in Italy," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 38(19), pages 451-470.
    12. Ester Fanelli, 2023. "Italian Nonmarital Fertility Ratio: Components of an Unexpected Rise," Population Research and Policy Review, Springer;Southern Demographic Association (SDA), vol. 42(5), pages 1-21, October.
    13. Marika Jalovaara & Linus Andersson, 2023. "A register-based account of period trends in union prevalence, entries, and exits by educational level for men and women in Finland," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 48(14), pages 373-386.
    14. Yoonyoung Choi, 2022. "A decomposition of declining crude birth rate in South Korea, 1990–2015," Journal of Population Research, Springer, vol. 39(3), pages 373-389, September.
    15. Benoît Laplante & Ana Laura Fostik, 2015. "Two period measures for comparing the fertility of marriage and cohabitation," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 32(14), pages 421-442.
    16. Jinjing Li, 2017. "Rate decomposition for aggregate data using Das Gupta’s method," Stata Journal, StataCorp LLC, vol. 17(2), pages 490-502, June.
    17. Marie Bergström & Léonard Moulin, 2022. "Couple Formation is Prolonged not Postponed. New Paths to Union Formation in Contemporary France," European Journal of Population, Springer;European Association for Population Studies, vol. 38(5), pages 975-1008, December.
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