I wonder how much mutation load increasing childlessness is able to purge?
-
-
-
depends on how strong sexual selection on the effective male population size is.
-
Also depends on method. Presumably, this reflect increased serial monogamy among males, meaning that it is accompanied by mutation load increasing paternal age.
End of conversation
New conversation -
-
-
Trend holds true. 14% vs. 21% in Sweden in 2013 (at age 50).pic.twitter.com/SxA1MXFHau
-
Essentially any pattern that holds in one Scandi holds in the other 2. :p Bigger question is whether it holds in e.g. Spain and Russia.
-
Relatively low childlessness in men in Russia, no data for Spain (...in the first seemingly suitable paper I found). Although data 7+ years old.pic.twitter.com/h7H7lcQsYf
-
And I agree, but since looked it up I thought I may as well share! :)
-
Rather depressing numbers for Western civilization.
-
The 'downside' of higher levels of education, low child mortality and chasing careers, I suppose.
End of conversation
New conversation -
-
-
Same pattern seen in the U.S. - White men and women over the 20th century https://www.unz.com/jman/whos-having-the-babies/ …pic.twitter.com/Jt03Igu8hX
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.