Using my own country as an example, link other data if you have it.
I already covered the historical norm of spouses within a couple of years of one another.
This is what K-types do, get established then select a mate.
Both sexes are most fertile but least stupid in the twenties. Thank the frontal lobes.
K-types need time before they marry to mature, lest they overbreed or starve their offspring from lack of resources.
The 20th century is the outlier here. With easy divorce, they married earlier and divorced earlier, to get married more often.
Trump, for example. Yet the re-marriage problem isn’t even addressed, let alone called a sin.
By self-proclamed traditionalists, who believe in marriage. Sure, Jan.
It would be great if Americans stepped out of their bubble and learned real history instead of the BS their schools lead them to believe. I have to keep correcting errors that would embarrass a child. Boomer Professors LIED. Their normal is NOT normal!
Update: it seems they changed the link. CEDA Berkeley British population data.
They keep doing this to my links.
Whatever, I tried.