Country vs country

Bulgaria vs Qatar

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

	Bulgaria	Qatar
Personal income	10%	0%
Company tax	10%	10%
Minimum days	183	183
Cost of residency	Cheap	Expensive
Tax on €150,000 a year	€7,500	€0
Monthly cost for one person, rent included	€1,300	€2,800
In the EU	Yes	No
Spanish blacklist	No	No
Crypto gains	Flat 10% on net annual crypto gains after a 10% deemed expense, about 9% effective. No holding period exemption.	Individuals pay no tax on investment gains outside a business activity.
Pension	Private and occupational foreign pensions taxed at flat 10%; pensions from mandatory social security systems may be exempt under domestic law. Check treaty.	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.