Climate and fertility amid a public health crisis

Letícia J. Marteleto, Alexandre Gori Maia and Cristina Guimarães Rodrigues

Population Studies, 2023, vol. 77, issue 3, 437-458

Abstract: One line of enquiry in demographic research assesses whether climate affects fertility. We extend this literature by examining the ramifications of climate conditions on fertility over a period of public health crisis in a highly unequal, urban middle-income country. We use monthly data for Brazil's 5,564 municipalities and apply spatial fixed-effects models to account for unobserved municipal heterogeneity and spatial dependence. Findings suggest that increases in temperature and precipitation are associated with declines in births. We also show that changes in response to climate conditions became greater during the Zika epidemic, particularly in urban areas. Combined, findings highlight the value of understanding the intersections between climate and fertility across geographic boundaries and during this public health crisis. Epidemics have become more important in people's lives with the recurring emergence of novel infectious disease threats, such as Zika and Covid-19.

Date: 2023
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DOI: 10.1080/00324728.2023.2228288

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