What the ranking shows
If you sort Swiss postcodes by the tax burden on a single earner making 80,000 CHF, you don't get a nice, even spread across the country. You get Geneva. The first five postcodes are locked in a dead heat at 6.9%, and the next five barely tick up to 7.0%.
The rest of Switzerland doesn't even make an appearance until much further down. The first postcode outside Geneva is Pfeffingen over in Basel-Landschaft, and it only surfaces at rank 61. That is the real takeaway here: the absolute lowest tax rates in the country are concentrated far more tightly than most people realize.
Why the top 10 matters
Looking at the top 10 tells you everything you need to know about how the current data leans. Five postcodes share the exact same top rate. Five more sit just a tenth of a percent higher. Every single one of them is in the canton of Geneva.
This means the national ranking operates more like a heat map. It clearly marks where the absolute lowest tax band sits right now, and proves that you have to scroll quite a bit before the options start opening up geographically.
What you should infer
If you are looking for a quick shortlist of low-tax postcodes, the direction is obvious: start your search in Geneva. If you want options outside of that cluster, start reading from rank 61 downward. Just remember that a ranking is only a starting point. Before you pack any boxes, you still need to pull up the specific postcode page and run your exact household numbers through the official calculator.
