Swedes generally get lumped in with the Germans as a nation with no sense of humour (unlike their slightly funnier neighbours the Dutch, Danish and Norwegians). But it's not true! Or not entirely, anyway. Swedes do have a sense of humour, it's just a bit different. Here's The Local's contributor Richard Orange's guide to help you recognise when a Swede is trying to be funny.
https://www.thelocal.se/20210311/are-swedes-funny-the-many-types-of-swedish-jokes