21 programs where the tax treatment is: depends on your situation. Tax treatment is the part of a nomad visa most likely to change what you actually keep, and the part official pages are least likely to spell out. For 20 of them the official visa source says nothing about tax, so this grouping records that we could not source it, rather than a finding that tax is or is not owed.
Where a country page quotes a tax rule, that quote comes from its own official source with the date shown. Where it does not, there was no official statement to quote. Either way this is not tax advice, and it does not account for tax you may owe where you are already resident. Confirm with a cross-border tax professional. Back to all nomad visas.