83
Conservatives report higher happiness levels and self-reported mental health than liberals. No data charted for Hexbears
(hexbear.net)
There's more data points to this chart at the link
https://www.natesilver.net/p/what-explains-the-liberal-conservative
EDIT: added image
Of course they do. They live in a world that is structured witi oppressive hierarchies in a way that they feel as fundamentally just. They might whine here and there about marginalised groups being uppity but in the large picture of things they have every reason to be happy with the way the world works.
Being, on average, richer than other groups certainly helps brighten their moods well.