What better tax regimes does Europe offer to those who want to move?

The so-called non-dom regime is being abolished in Great Britain. Capital and people often migrate to Switzerland, Spain, Italy, Portugal, Cyprus for this and other reasons. What is appealing there?

Switzerland

PIT

Some cantons offer a flat PIT rate for people who do not work in Switzerland and are not Swiss citizens, without applying PIT on capital gains. PIT in this regime is applied as a % of shared expenses. For example, if the canton estimates that a person's lifestyle in Switzerland involves spending EUR 1m per year and the average such PIT is …