[hn_throwaway_99]

Not necessarily. It's possible that no amount of money would solve this problem. Birth control inherently broke the previously built evolutionary mechanism that insured that the extremely strong built in desire for sex would result in kids. That's no longer the case, and a lot of people would decide to not have kids even if money were no object.

As you point out, Finland famously has incredible family support, and also a birth rate under 1.3.