Despite having seen the incredibly dreary television series Wallender, with Kenneth Branagh, and the movie made from the book The Girl With the Dragon Tattoo (plus another television program that I don't remember the name of, but that involved typically violent sexual abuse and now-elderly Nazi sympathizers), I took up the recommendation of a good friend and read The Hypnotist, by Lars Kepler.
Based on these sources, I can confidently report that Sweden is a cold, dark country populated almost exclusively by depressed drug addicts, depressed alcoholics, depressed former drug addicts, depressed unmitigated perverts of every stripe, and depressed police officers with failed or failing marriages. This general population is divided between the honourable poor, who are depressed, and a smaller group of sleazy and thoroughly dishonourable middle-class people, who are probably depressed when not torturing their fellow Swedes with their extreme behaviour. There is, perhaps, a scattering of glitterati who spend much time abroad to avoid being depressed, returning home only to indulge in their many and varied perverse passions.
Being a Texan, I know just how accurate these sorts of generalizations about a place often are.