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Looking at migration trends for billionaires (so not billionaire creators but rather billionaire magnets) over the last 30 or so years - synthesis of various sources: Top attractors are London (non-dom era), Singapore, Dubai, Miami, Austin, SF, NYC, Hong Kong (pre-[1]) Top repellers/outmigration are London (post-abolition of non-dom), Moscow, Hong Kong (post-[1]), China, high-tax zones in Europe, India, developing nations For places that are in both lists but at different times, you can see the massive impact of public policy (non-dom tax haven, Chinese hand) [1]https://en.wikipedia.org/wiki/2020_Hong_Kong_national_securi... |
Goes to show it is possible to tax people quite a lot and still be an attractive place to live, but you do need to bring something special (which in 2026 means "be the centre of the world for either tech or finance").
If you're good at that stuff but still very much second tier (London), the tax rate seems to matter a lot