> Generally the less money you make the more kids you have.

Previously, but this no longer holds.

It holds. It holds practically everywhere on Earth. Income is one of the strongest inverse correlations to fertility.

	▲	toomuchtodo an hour ago \| parent [-]
		https://en.wikipedia.org/wiki/Income_and_fertility#Contrary_... https://ifstudies.org/blog/more-money-more-babies-whats-the-... https://www.demographic-research.org/articles/volume/51/26 https://www.sas.upenn.edu/~jesusfv/Slides_London.pdf (your paper is five years old, and is lagging broad, rapid global fertility decline trends; it's not income-fertility, its "educated, empowered women with access to birth control have less kids, no kids, and/or delay childbirth" regardless of income, with the caveat being some higher income cohorts and ultra orthodox religions/cultures [Israel] having higher than baseline fertility)