We have a new paper (led by @rishabhtyagi10.bsky.social with @vegardskirbekk.bsky.social) in Genus!
We estimate the impact of job loss on divorce in Germany with an event study design.👇1/5
New study in @PNASNexus
While most countries became more gender egalitarian 1995-2022, global support for gender equality stagnated
Why? Higher fertility in less egalitarian populations compounded this.
This reveals a critical paradox in cultural change.
doi.org/10.1093/pnas...
Are enough births occurring to replace expected deaths? We introduce the “births observed / births needed” ratio as a simple indicator of demographic sustainability — showing why similar fertility rates can imply very different population futures.
www.demographic-research.org/articles/vol...
Sril Lanka's fertility likely to remain low (TFR at 1.3 children) - need to adapt
thediplomat.com/2026/04/sri-...
New paper by @rishabhtyagi10.bsky.social, @peibich.bsky.social, @vegardskirbekk.bsky.social
Using German longitudinal data, they find that involuntary job loss substantially increases the risk of marital dissolution. Little evidence of variation by gender norms.
🔗 link.springer.com/article/10.1...
evolutionshift.substack.com/p/interview-...
Berkay Ozcan - immigration is not a silver bullet blogs.lse.ac.uk/europpblog/2...
New study with @jessicanisen.bsky.social and Henrik Schubert
Finland's fertility fell from 1.87 TFR (2010) to under 1.4—now the record low.
Secularization is related to lower fertility; and couples' changing religious beliefs shape childbearing decisions.
www.sciencedirect.com/science/arti...
🧠 New in Journal of Psychiatric Research (2026):
People with no children or only one child had higher risk of dementia and MCI compared to those with two children.
The association was particularly strong for dementia in men with no children.
Full paper: www.sciencedirect.com/science/arti...
The country will need to prepare for the consequences of sustained low fertility rates.
In a column I published last week, I mentioned the influence of an author and book that changed my thinking about population. That author is Christopher Tucker and the book is “A Planet of 3 Billion” ...
evolutionshift.substack.com
Berkay Ozcan discusses falling birth rates, whether immigration might provide the answer and what a smaller global population would mean for the environment.
New paper by @rishabhtyagi10.bsky.social, @peibich.bsky.social, @vegardskirbekk.bsky.social
Using German longitudinal data, they find that involuntary job loss substantially increases the risk of marital dissolution. Little evidence of variation by gender norms.
🔗 link.springer.com/article/10.1...
Understand male health!
Leading researchers gather to highlight men’s health using population level data on May 27 in Oslo.
Free & open to all • Live stream available
🔗 www.uio.no/english/abou...
Welcome! 💙
#MaleHealthDay #MennsHelse
Previous studies have shown that secularization altered historical Western fertility patterns, but few studies have addressed the role of religion in …
www.sciencedirect.com
We explored the relationship between the number of children and cognitive outcomes in later life in a large cohort of older females and males from Nor…