Fertility Differentials and Educational Attainment in Portugal: A Non-Linear Relationship

Isabel Tiago de Oliveira

Abstract


This analysis of the Portuguese case shows a non-linear relationship between
the number of children and education in recent years. Using the data from ten
years before this hypothesis was confirmed, and we can see that the general
decline in Portuguese fertility within the last decade was due to the fertility
decrease of the less educated people, although partly attenuated by the fertility increase of the upper social groups. The reasons for a non-linear relationship are discussed within the context of female employment rates and salary differentials by educational attainment. The main hypothesis is that differences in fertility are related to an ‘education-work’ effect amongst those in the less educated groups and to an ‘education-income’ effect amongst the more educated.

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Canadian Studies in Population | E-ISSN 1927-629X

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