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Exploring associations between the Covid-19 vaccination campaign and fertility trends: A population-level analysis for 22 countries

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  • Jasilioniene, Aiva
  • Jasilionis, Domantas
  • Jdanov, Dmitri
  • Myrskylä, Mikko

Abstract

Background At the turn of 2021-2022, monthly birth rates declined in many higher-income countries. We explore how the rollout of COVID-19 vaccination was associated with this decline. Methods Using an interrupted time series design, we evaluate the impact of the onset of the COVID-19 pandemic and the start of COVID-19 vaccination on seasonally-adjusted monthly total fertility rates in 22 high-income countries. We study the associations between COVID-19 vaccination and fertility by additionally controlling for youth unemployment, stringency index, and vaccination coverage. Results The start of the pandemic had an immediate effect on fertility in most countries, although the size and direction of level changes considerably varied across countries. The impact of COVID-19 vaccination was less all-embracing. A negative association between the COVID-19 vaccine rollout and fertility nine months later was found for ten out of 22 countries. For several countries, the decline was preceded by fertility increase that took place after the onset of the pandemic. Only four of 22 countries had post-vaccination fertility declines that resulted in fertility being on a lower level than what the pre-pandemic trend predicted. Additional control variables changed the associations only little. Conclusions The COVID-19 vaccination campaign contributed to the variation in the short-term fertility trends. Several countries experienced declines following the campaign, however, this decline often returned fertility closer to the pre-pandemic trend. Fertility appears to have responded in short run to vaccination, but only in few cases such that the long-term trajectory is below the pre-pandemic trend.

Suggested Citation

  • Jasilioniene, Aiva & Jasilionis, Domantas & Jdanov, Dmitri & Myrskylä, Mikko, 2024. "Exploring associations between the Covid-19 vaccination campaign and fertility trends: A population-level analysis for 22 countries," SocArXiv 46qdw, Center for Open Science.
    • Handle: RePEc:osf:socarx:46qdw
    DOI: 10.31235/osf.io/46qdw
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    1. repec:wbk:wbpubs:33044 is not listed on IDEAS
    2. Sobotka, Tomas & Jasilioniene, Aiva & Galarza, Ainhoa Alustiza & Zeman, Kryštof & Nemeth, Laszlo & Jdanov, Dmitri, 2021. "Baby bust in the wake of the COVID-19 pandemic? First results from the new STFF data series," SocArXiv mvy62, Center for Open Science.
    3. repec:wbk:wbpubs:33748 is not listed on IDEAS
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    Cited by:

    1. Natalie Nitsche & Joshua Wilde, 2024. "Fertility and Family Dynamics in the Aftermath of the COVID‐19 Pandemic," Population and Development Review, The Population Council, Inc., vol. 50(S1), pages 9-22, July.

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