Indeed if you look at the happiest countries list that seems to be true. Finland and Switzerland are near the top and kind of lefty and conservative respectively but both very low corruption.
[1] https://en.wikipedia.org/wiki/Culture_war
[2] https://en.wikipedia.org/wiki/Co-determination
[3] https://www.eda.admin.ch/aboutswitzerland/en/home/politik/ue...