Jeans are widely accepted and worn throughout Switzerland, just like in many other parts of the world.
While Switzerland is known for its sophisticated fashion scene, particularly in cities like Zurich and Geneva, jeans are a staple in everyday attire.
You'll find people wearing jeans in a variety of settings, from casual outings to formal events (though in the latter case, jeans may be paired with dressier tops and accessories).
The acceptance of jeans in Switzerland aligns with its overall culture, which emphasizes practicality and comfort.
However, specific dress codes might apply in certain establishments, such as upscale restaurants or cultural institutions. It's always a good idea to check the dress code beforehand if you are unsure.
In summary, jeans are generally acceptable in Switzerland, and you shouldn't have any trouble wearing them in most situations.