There's a whole lot of North Sea oil revenue supporting those socialist paradises in Europe
You don't say.....
The protection of a NATO (primarily, US) umbrella for the last 60 years, etc, etc, ......
The metrics used to determine this little happy chart are dependent on what (Socialist amenities) they have, not how people actually feel. Not that the (D)Ullards would notice or care about those kinds of things.
..and yes, the huge elephant standing there with a smiley face, is the relatively homogeneous population.