Israel is, I think, the poster child for pro-natal developed countries. Their average age gap is only 0.4 years larger than that of South Korea or Japan [1]. [

Israel is, I think, the poster child for pro-natal developed countries. Their average age gap is only 0.4 years larger than that of South Korea or Japan [1]. [1] https://en.wikipedia.org/wiki/List_of_countries_by_age_at_first_marriage https://en.wikipedia.org/wiki/List_of_countries_by_age_at_fi...