No cultures directly favor low or negative birthrates.
But we've known since the 1800s that it follows from female education (and this seems independent of culture, it was first observed in France, but you can see the same trend in any African country, or even Iran), which is favored.
But we've known since the 1800s that it follows from female education (and this seems independent of culture, it was first observed in France, but you can see the same trend in any African country, or even Iran), which is favored.