Each market should be the name of a country. Resolves PROB to TFR * 25. If the named country doesn't exist in 2050, it resolves N/A and the successor country resolves PROB.
Replacement = 2.1 TFR = 52.5%
Only women with at least the equivalent of a high school diploma are counted, so countries can't goodhart this by importing a religious fundamentalist underclass

I started by listing the top 25 countries by total GDP (PPP), but anyone can add addititional countries.

[edit: if a country has no stats breaking down TFR by educational attainment, it resolves N/A]