Ideas for reversing the collapse in global fertility, the greatest challenge of our age. Humanity is precious.
HT to many great demographers and data analysts.
An extraordinary graphic showing what will happen in Poland if fertility rates simply stay where they are. Most of the developed world is on a trajectory of population collapse similar to this.
Nothing matters more than turning around birthrate decline.
What is the effect of high immigration on native fertility?
A study used the natural experiment of the large and unexpected immigration surge to Miami in 1980.
Native fertility fell in Miami compared to controls as housing costs soared while wages fell. 🧵