They had a disarmed citizenry and government-controlled healthcare in Germany by the early 1940's. They had an aggressive anti-tobacco campaign, and specifically focused on women's reproductive health.
Tremendous steps were taken by the government to ensure that firearms, printing presses, and access to the media was not allowed to fall into the hands of "th ewrong kinds of people."
And the leader of that government was a vegetarian who was obsessed with environmentalism and "clean living".
You do the math...