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Re:Child-safety laws may reduce the birth rate by arcticbull on Wednesday December 16, 2020 @01:32PM (#25446337)
In general there's a strong negative correlation between development of a society and birth rate. Also income. It's extremely powerful, and applies literally all over the world. I suspect that in America over the last few decades, development continued. Child-safety laws came along for the ride. [1, 2]

Income is a less compelling argument in America as wages have remained totally constant on an inflation adjusted basis for ages.

[1] https://www.researchgate.net/figure/Total-fertility-rate-TFR...

[2] https://www.stlouisfed.org/on-the-economy/2016/december/link...

Re:Child-safety laws may reduce the birth rate by gowld on Wednesday December 16, 2020 @01:34PM (#25446371)
There's a great article that investigates this and presents a more refined analysis so separate out factors like child-safety laws:

https://www.economist.com/science-and-technology/2020/11/28/...

It was recently discussed on HN: https://news.ycombinator.com/item?id=25445643

Re:Child-safety laws may reduce the birth rate by arcticbull on Wednesday December 16, 2020 @01:35PM (#25446397)
Funny :)
Re:Child-safety laws may reduce the birth rate by sudo_bang_bang on Thursday December 17, 2020 @01:20AM (#25453128)
Important to note that real income per capita isn’t actually flat, only household income but that’s likely because of household size changes.

See here for disposable real income: https://fred.stlouisfed.org/series/A229RX0

Re:Child-safety laws may reduce the birth rate by arcticbull on Thursday December 17, 2020 @02:37AM (#25453483)
Great call-out thank you!