These countries have quite a few similarities but are also different in many ways. First about the things they share: they’re both European industrious countries with a high standard of living; their main religion is Protestantism; their population is roughly 9 million; and their English names begin with “Sw” which may be the cause of confusion sometimes. But they are very far away geographically, Sweden is in Scandinavia and Switzerland is surrounded by the Alps. It’s also much smaller than Sweden. The political and economical systems are quite different as well. The former in your question is a constitutional monarchy and the latter is a democratic federation.