IUSSP

Modest changes in spousal age differences over time in sub-Saharan Africa - N-IUSSP Using information from 144 surveys across 34 countries from 1980 to 2020, Pearl Kyei, Samuel Agyei-Mensah, John Casterline and Ayaga Bawah find that the age difference between spouses decreased by ......

N-IUSSP: Modest changes in spousal age differences over time in sub-Saharan Africa

www.niussp.org/family-and-h...

#demography
#populationstudies

Pace of Aging of older adults in the US and UK  - N-IUSSP Based on a longitudinal analysis of dried-bloodspot, physical-exam, and performance-test biomarkers in nearly 20,000 participants in the US Health and Retirement Study and English Longitudinal Study o...

N-IUSSP: Pace of Aging of older adults in the US and UK

www.niussp.org/individual-a...

#demography
#populationstudies

Changing unions in the MENA region - N-IUSSP Marriage and family ties in the Middle East and North Africa (MENA) are undergoing profound changes. While traditions persist, young people now marry later, fewer cousin marriages occur, and family .....

N-IUSSP: Changing unions in the MENA region

www.niussp.org/family-and-h...

#demography
#populationstudies

A century of mortality crises in France and its regions  - N-IUSSP While the COVID-19 pandemic disrupted societies worldwide, its demographic toll in France was far lower than the 1918 Spanish flu epidemic or the 1911 heatwave. Florian Bonnet and Carlo-Giovanni Camar...

N-IUSSP: A century of mortality crises in France and its regions

www.niussp.org/health-and-m...

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#populationstudies

Does grit matter for migration? The case of South Africa 2018–2020 - N-IUSSP Michael J. White, Tyler W. Myroniuk, Carren Ginsburg, and Chantel Pheiffer examine the question of whether migrants in the South African context (2018–2020, rural-to-urban migration) have more “grit”—...

N-IUSSP: Does grit matter for migration? The case of South Africa 2018–2020

www.niussp.org/migration-an...

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#populationstudies

Is there a strong two-child norm among U.S. women? - N-IUSSP For decades, the majority of Americans have reported ideal family sizes of two children, yet actual birth rates are falling well below reported ideals. Julia Behrman, Emily Marshall, and Florian ... R...

N-IUSSP: Is there a strong two-child norm among U.S. women?

www.niussp.org/family-and-h...

#demography
#populationstudies

The silent rise of solitary older adults in Ghana - N-IUSSP This qualitative study explores solitary ageing in Ghana’s Greater Accra Region. Interviews with 52 older adults from six communities revealed situations of emotional isolation, social disconnection, ...

N-IUSSP: The silent rise of solitary older adults in Ghana

www.niussp.org/individual-a...

#demography
#populationstudies
#ageing
#aging

Why delaying old-age pension claiming might not be worth the risk for everyone - N-IUSSP Lifespan is uncertain, even for well-informed individuals. Sha Jiang, Wenyun Zuo, Zhen Guo and Shripad Tuljapurkar show that this irreducible demographic risk increases with delayed pension claiming a...

N-IUSSP: Why delaying old-age pension claiming might not be worth the risk for everyone

www.niussp.org/education-wo...

#demography
#populationstudies

Ten years of emergency contraception in Italy (2012-21) - N-IUSSP Emergency contraception has been on the rise in Italy in the past 10 years, especially after recent liberalization laws. Gianpiero Dalla-Zuanna, Anna Giraldo and Marzia Loghi discuss the pros and ... ...

N-IUSSP: Ten years of emergency contraception in Italy (2012-21)

www.niussp.org/fertility-an...

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#populationstudies

How internal migration affects sex-ratios in rural eastern Germany - N-IUSSP Rural-to-urban migration within eastern Germany has overtaken east-west migration as the main driver of skewed adult sex ratios in rural areas. The shift in migration patterns, according to Nico Stawa...

N-IUSSP: How internal migration affects sex-ratios in rural eastern Germany
www.niussp.org/migration-an...

#demography
#populationstudies

Mental disorder and (reduced) fertility in Norway - N-IUSSP Several countries have seen recent increases in the prevalence of mental disorders. Has this contributed to reduced fertility? A Norwegian register-based analysis shows negative associations between m...

N-IUSSP: Mental disorder and (reduced) fertility in Norway
www.niussp.org/fertility-an...

#demography
#populationstudies

Congratulations to #IUSSP !!
Laureate Institution by @UNFPA and announced at the #IPC2025 #Brisbane

The @IUSSP International Population Conference is the world’s largest international scientific conference on #population and #demography

Video from 48:30 www.unfpa.org/events/unite...

🌏 It all begins today! #IPC2025 kicks off in Brisbane — the international gathering of population experts.
Explore fertility, migration, health, climate & more. Visit our desk onsite to plan your #VisitBrisbane & Queensland!
📍 July 13–18 | Brisbane #IUSSP

🔗 ipc2025.iussp.org/final-program/

Demographers, extend your #IPC2025 trip!

🧭 Explore Queensland's living population labs:
📍Logan – Multicultural heartbeat
📍Cherbourg – Indigenous data stories
📍Sunshine Coast – Urban boom

Learn more about Queensland and plan your trip! www.queensland.com.au

#Demography #PopulationStudies #IPC2025

🎨 The International Population Conference 2025 logo, designed by Aboriginal artist Breanna Buttenshaw, features the Brisbane River ("brown snake") and a meeting place symbolising global travellers coming together.

Find out more about #IPC2025:
ipc2025.iussp.org

#VisitBrisbane #ExploreTNQ

The growing role of ART in fertility rates in Norway - N-IUSSP Assisted reproductive technology (ART) is playing an increasingly important role in the realization of childbearing intentions in advanced societies. While ART is more accessible than ever, its usage ...

N-IUSSP: The growing role of ART in fertility rates in Norway

www.niussp.org/fertility-an...

#demography
#populationstudies

🌍 How do populations respond to global shocks like climate change, conflict & pandemics?
Join the Crises, Shocks & Resilient Populations plenary at #IPC2025!
📍 Brisbane, 13–18 July
🔗 ipc2025.iussp.org
#IPC2025 #VisitBrisbane

#demography
#populationstudies

Explore Brisbane’s vibrant city life, then journey through Queensland’s natural wonders—reef dives, rainforest hikes, and sunny beaches await! Start your adventure at www.queensland.com 🌿🏖️🐨 #ExploreTNQ #VisitBrisbane

📢 Explore the #IPC2025 program! 🌏✨
Join the world’s largest population science event this July in Brisbane. With 24 themes—fertility, migration, climate, health & more—it’s unmissable.
Preview the program 👉 ipc2025.iussp.org/final-program/
#Demography #PopStudies #VisitBrisbane
#populationstudies

Discover Brisbane’s charm, then explore Queensland’s stunning coastlines, reefs, and rainforests. From the Great Barrier Reef to the Gold Coast, adventure and beauty await in every direction. Plan your escape now at www.queensland.com 🌞🌴🐠 #ThisIsQueensland

Depression is rising in China - N-IUSSP 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 ... ...

N-IUSSP: Depression is rising in China
www.niussp.org/health-and-m...

#demography
#populationstudies

Divergent pathways into adulthood in the Global South - N-IUSSP 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...

N-IUSSP: Divergent pathways into adulthood in the Global South

www.niussp.org/education-wo...

#demography
#populationstudies

What we know about child protective services in the Global North - N-IUSSP 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 mo...

N-IUSSP: What we know about child protective services in the Global North
www.niussp.org/family-and-h...

#demography
#populationstudies

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

N-IUSSP: Cohabitation and mortality in Sweden: does living with a non-marital partner extend life?
www.niussp.org/health-and-m...

#demography
#populationstudies

Young immigrants adapt to Swedish childbearing norms - N-IUSSP 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 Wi...

N-IUSSP: Young immigrants adapt to Swedish childbearing norms
www.niussp.org/migration-an...

#demography
#populationstudies

Prevalence of young children in polygynous households in sub-Saharan Africa - N-IUSSP 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 Bancho...

N-IUSSP: Prevalence of young children in polygynous households in sub-Saharan Africa
www.niussp.org/family-and-h...

#demography
#populationstudies

Marriage market restrictions and immigrant family change in Denmark - N-IUSSP Denmark’s 2002 family reunification policy required foreign spouses to be 24+ and have stronger ties to Denmark than elsewhere. This reshaped union formation and fertility among immigrants, further in...

N-IUSSP: Marriage market restrictions and immigrant family change in Denmark
www.niussp.org/migration-an...

#demography
#populationstudies

Join us today at 9 am NY / 15:00 Paris / 18:30 Delhi to learn about the 2025 IUSSP Early Career Awardees: Nurudeen Alhassan, Luca Maria Pesando, Diego Alburez-Gutierrez, Igor Cavallini Johansen & Monica Alexander.

Join us on 12 May. REGISTER NOW!

shorturl.at/HBXIx

#demography
#populationstudies

Women’s empowerment and contraception in low- and middle-income countries - N-IUSSP Comprehensive contraceptive transition theory, Shireen J. Jejeebhoy and Zeba Sathar argue, must prioritize women’s agency and gender roles, particularly the ability of women and girls to make independ...

N-IUSSP: Women’s empowerment and contraception in low- and middle-income countries

www.niussp.org/gender-issue...

#demography
#populationstudies

America struggles with birthright citizenship - N-IUSSP In the United States, birthright citizenship is a constitutional right that dates back to 1868. However, following President Trump’s recently issued executive order, the new administration is seeking ...

N-IUSSP: America struggles with birthright citizenship

www.niussp.org/migration-an...

#demography
#populationstudies