The growing role of ART in fertility rates in Norway

Fertility and reproduction

July 7, 2025

Alice Goisis, Jenny Chanfreau, Øystein Kravdal

Depression is rising in China

Depressive symptoms are on the increase in China, both over the life course and across cohorts. As Tingshuai Ge, Frans Johannes van Leeuwen, Quanbao Jiang and Liliya Leopold indicate, disparities ... Read more

Divergent pathways into adulthood in the Global South

Young people in the Global South are following increasingly diverse and ever-changing paths to adulthood. Yet, inequalities persist. Shelley Clark and Khandys Agnant show that despite impressive gains in female ... Read more

What we know about child protective services in the Global North

All over the world, child protective services have a duty to deal with cases of child maltreatment. However, even confining research to the Global North, better equipped, in principle, for ... Read more

Cohabitation and mortality in Sweden: does living with a non-marital partner extend life?

Married individuals tend to live longer, but what about cohabiters? Using data from the Swedish registry, Jesper Lindmarker, Martin Kolk and Sven Drefahl find that cohabitation reduces the risk of ... Read more

Young immigrants adapt to Swedish childbearing norms

Do immigrants have more children than people who were born in their destination country? Does immigrant childbearing behaviour adapt towards destination childbearing norms? In a new case study, Ben Wilson ... Read more

Prevalence of young children in polygynous households in sub-Saharan Africa

Polygynous unions are on the decline in sub-Saharan Africa, although uncertainty surrounding the prevalence and characteristics of children in these households remains. Emily Treleaven and Emma Banchoff find that the ... Read more

Did you know?

Total fertility by gross national income (GNI) per capita, countries and areas, by region, 2024

By 2024, of the 237 countries and areas in World Population Prospects 2024, 131 (55 per cent) had fertility rates below 2.1 births per woman, the approximate  replacement-level fertility. These countries account for 68 per cent of the total global population.
Source: United Nations and World Bank data in United Nations (2025). World Fertility 2024. UN DESA/POP/2024/TR/NO.11. New York: United Nations pp. 6-7.
Note: The size of the bubbles is determined by the number of births in 2024.

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N-IUSSP is a new IUSSP news magazine, which will disseminate scientific findings from demographic research carried out all over the world. The practical implications of current trends, the risks and potentialities of emerging situations, the pros and cons of specific laws are discussed in rigorous but plain language.

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