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Decline in global adolescent fertility rates is counteracted by increasing teen births in Sub-Saharan Africa

July 16, 2024
in Science Education
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Decline in global adolescent fertility rates is counteracted by increasing teen births in Sub-Saharan Africa
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July 16, 2024– A new report from Columbia University Mailman School of Public Health and the Columbia Aging Center with colleagues from the Norwegian Institute of Public Health highlights a troubling trend: while global adolescent fertility rates have significantly declined, sub-Saharan Africa is experiencing an increase in teen births. This region’s share of global adolescent births surged from 12 percent in 1950 to 47 percent in 2020 and is projected to reach a clear majority – a full 67 percent – by 2035. The findings are reported in the journal Studies in Family Planning.

July 16, 2024– A new report from Columbia University Mailman School of Public Health and the Columbia Aging Center with colleagues from the Norwegian Institute of Public Health highlights a troubling trend: while global adolescent fertility rates have significantly declined, sub-Saharan Africa is experiencing an increase in teen births. This region’s share of global adolescent births surged from 12 percent in 1950 to 47 percent in 2020 and is projected to reach a clear majority – a full 67 percent – by 2035. The findings are reported in the journal Studies in Family Planning.

 

“This divergence we are seeing is related to limited use of modern contraception, lower education levels, and early marriages which are still prevalent in this region,” said Vegard Skirbekk, PhD, professor of Population and Family Health at Columbia Public Health and the Aging Center and principal investigator.  “Despite global advancements, the number of teen births remains high and in absolute numbers increasing in regions with rapidly growing populations, significantly impacting the overall global trend.”

 

Sub-Saharan Africa has emerged as the world region with the most teen births, increasing its proportion of global teen births over a 70-year span —  a time during which this region’s share of the global adolescent population – those aged 15 to 19 grew from 7.5 percent  to 19 percent.

 

The researchers analyzed data from the World Population Prospects 2022; World Contraceptive Use 2022; World Marriage Data 2019; and World Development Indicator.

 

In terms of absolute numbers, the number of births in Sub-Saharan Africa rose from 4.5 million births in 2000 to 6.1 million in 2021. At the same time, it decreased in the rest of the world, from 13.5 million to 6.7 million from 2000 to 2021.

 

The persistence of high teen fertility rates in sub-Saharan Africa poses substantial challenges at both individual and societal levels. International organizations, including the WHO and the UN, emphasize the need to reduce adolescent childbearing as part of broader efforts to provide universal access to sexual and reproductive healthcare and education.

 

Effective policies are crucial to address this issue, according to Skirbekk and co-authors, such as reducing adolescent childbearing, raising female education levels, increasing the legal and effective age at marriage, and providing free or subsidized modern contraceptives. “Without targeted interventions, the rising number of births to teenage mothers in sub-Saharan Africa could plausibly reverse global progress in reducing adolescent fertility.”

The number of births to teen mothers in sub-Saharan Africa is expected to continue to increase over the coming decades due to the region’s continuing increase of teenage cohorts outweighing the decline in the teenage fertility rate.

Co-authors are Thomas Spoorenberg, United Nations Department of Economic and Social Affairs and Norwegian Institute of Public Health; Ellen Øen Carlsen and Martin Flatø, Center for Fertility and Health, Oslo; Marcin Stonawski, Cracow University of Economics, Poland and Statistics Denmark; and Vegard Skirbekk, Centre for Fertility and Health, Columbia Mailman School and Norwegian Institute of Public Health, Oslo.

The study was supported by ERC Advanced Grant Project, 101142786 HOMME; Norwegian Research Council, DIMJOB 296297; Norwegian Research Council, CEFH 262700.

Columbia University Mailman School of Public Health

Founded in 1922, the Columbia University Mailman School of Public Health pursues an agenda of research, education, and service to address the critical and complex public health issues affecting New Yorkers, the nation and the world. The Columbia Mailman School is the fourth largest recipient of NIH grants among schools of public health. Its nearly 300 multi-disciplinary faculty members work in more than 100 countries around the world, addressing such issues as preventing infectious and chronic diseases, environmental health, maternal and child health, health policy, climate change and health, and public health preparedness. It is a leader in public health education with more than 1,300 graduate students from 55 nations pursuing a variety of master’s and doctoral degree programs. The Columbia Mailman School is also home to numerous world-renowned research centers, including ICAP and the Center for Infection and Immunity. For more information, please visit www.mailman.columbia.edu.

 

 

 



Journal

Studies in Family Planning

DOI

10.1111/sifp.12273

Article Title

The Global Adolescent Fertility Decline is Counteracted by Increasing Teen Births in Sub-Saharan Africa

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