Country vs country

United Arab Emirates vs Qatar

Side by side for a genuine tax resident, with €150,000 a year in dividends or foreign income.

	United Arab Emirates	Qatar
Personal income	0%	0%
Company tax	0–9%	10%
Minimum days	90	183
Cost of residency	Expensive	Expensive
Tax on €150,000 a year	€0	€0
Monthly cost for one person, rent included	€2,800	€2,800
In the EU	No	No
Spanish blacklist	No	No
Crypto gains	No personal income tax or capital gains tax for individuals.	Individuals pay no tax on investment gains outside a business activity.
Pension	No personal income tax, so foreign pensions are untaxed.	No tax on employment-unrelated passive income such as pensions for individuals.

Who wins

It depends on your case: your nationality, the country you leave and how you earn your money change the answer.