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Union Instability and Fertility: An International Perspective
Ana Fostik1, Mariana Fernández Soto2, Fernando Ruiz-Vallejo3
1Statistics Canada, Ottawa, Canada. ana.fostik@statcan.gc.ca.
Summary
Union instability impacts fertility, but repartnering can offset negative effects. Higher repartnering rates correlate with increased fertility in later unions, showing union duration is key for cumulative fertility.
Area of Science:
- Demography
- Sociology
- Reproductive Health
Background:
- Union instability and fertility patterns vary globally.
- Repartnering prevalence differs across European and American regions.
Purpose of the Study:
- To analyze the relationship between union instability and cumulative fertility.
- To investigate the role of repartnering in mediating fertility outcomes.
- To compare demographic behaviors across diverse regions.
Main Methods:
- Utilized Harmonised Histories of the Generation and Gender Programme data.
- Integrated harmonized survey data from three Latin American countries.
- Employed decomposition methods and Poisson regression analysis.
Main Results:
- Higher repartnering prevalence by age 40 is linked to increased fertility in subsequent unions.
- Union dissolution shows a negative association with cumulative fertility, partially offset by repartnering.
- Time spent in unions is a significant determinant of cumulative fertility.
Conclusions:
- Repartnering can mitigate the negative impact of union dissolution on fertility.
- Union duration, not just formation, is crucial for understanding cumulative fertility.
- Context-specific factors influence the interplay between union dynamics and fertility.
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