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BMC Pregnancy and Childbirth
Published in: BMC Pregnancy and Childbirth 1/2024

Open Access 01-12-2024 | Research

The effect of educational attainment on birthrate in Japan: an analysis using the census and the vital statistics from 2000 to 2020

Author: Tasuku Okui

Published in: BMC Pregnancy and Childbirth | Issue 1/2024

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Abstract

Background

In Japan, difference in birth rates depending on educational attainment has not been investigated. This study aimed to reveal birth rates in Japan depending on the highest level of educational attainment and their trends over the years using nationwide government statistics data.

Methods

Individual-level data from Vital Statistics and the Census from 2000, 2010, and 2020 were used for birth and population data, respectively. Data linkage was conducted for males and females in the Census and fathers and mothers in the Vital Statistics using information about gender, household, nationality, marital status, birth year, birth month, prefecture, and municipality for individuals. The birth rate was calculated by gender, a five-year age group, the highest level of educational attainment achieved, and year. In addition, the slope index of inequality (SII) and relative index of inequality (RII) were calculated to evaluate the degree of inequality in birth rates, depending on the educational attainment.

Results

Birth rates were higher in persons with lower educational attainment compared to those with a higher educational attainment among males and females in their twenties, while they tended to be higher in persons with higher educational attainment among those in their thirties and forties. Additionally, an increase in the birth rate from 2000 to 2020 was the largest in university graduates among males aged 25–49 years and women aged 30–49 years, and a decrease in the birth rate was the smallest in university graduates among males and females aged 20–24 years. As a result, SII and RII increased from 2000 to 2020 among males and females in their thirties and forties.

Conclusions

In conclusion, persons with higher educational attainment tended to have a relatively favorable trend in the birth rate compared with persons with lower educational attainment in recent decades. It suggested that enhanced administrative support for individuals with lower educational attainment or lower socioeconomic status may be required to ameliorate the declining birth rate in Japan.
Appendix
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Metadata
Title
The effect of educational attainment on birthrate in Japan: an analysis using the census and the vital statistics from 2000 to 2020
Author
Tasuku Okui
Publication date
01-12-2024
Publisher
BioMed Central
Published in
BMC Pregnancy and Childbirth / Issue 1/2024
Electronic ISSN: 1471-2393
DOI
https://doi.org/10.1186/s12884-024-06382-6

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