Possibly the greatest measurable amount of human evolution to occur in the 20th century was WWII, particularly in the European Jewish population where half were killed. Which Jews tended to survive and what genetic impact did it have? The Jews alive today, the descendants of the holocaust survivors, likely score higher in many areas than the Jewish population average before. Tribal warfare is the special evolutionary pressure that drives human evolution, and has been for a very long time. For the last several thousand years Jews have particularly been on the receiving end of it, the victims of leftist envy.
One large amount of de-evolution occurring right now is with smart women. The smarter the woman, on average the fewer children she will likely have. The result is a growing gender gap. Women will become increasingly less intelligent than men. The political gender gap will also increase. Women will increasingly becoming socialists and support higher taxes on the producers, and men will increasingly become conservatives, against higher taxes and increased regulation by the socialist non-producers.
The killing of the Jews was an example of a government living out the ideals of evolution - “improving the species” through culling the unfit.
“The smarter the woman, on average the fewer children she will likely have. The result is a growing gender gap. Women will become increasingly less intelligent than men.”
That’s not correct logic. Women bear both male and female children in roughly equal numbers, so there won’t be any gender gap caused by this phenomenon, just increasingly less intelligent people of both sexes.