Besides anything else although the birth rate varies according to income the variation isn't that big. It's dwarfed by the difference in income and hence consum

Besides anything else although the birth rate varies according to income the variation isn't that big. It's dwarfed by the difference in income and hence consumption. https://www.statista.com/statistics/241530/birth-rate-by-family-income-in-the-us/ https://www.statista.com/statistics/241530/birth-rate-by-fam...