Compare expat personal employment marginal income tax rates for every country worldwide:
Afghanistan is progressive up to 20%.
Albania is progressive up to 23%.
Algeria is progressive up to 35%.
Andorra is 10%.
Angola is progressive up to 17%.
Anguilla is 0%.
Antigua and Barbuda is 0%.
Argentina is progressive up to 35%.
Armenia is progressive up to 36%.
Aruba is progressive up to 58.95%.
Austria is progressive up to 55%.
Australia is progressive up to 45%.
Azerbaijan is progressive up to 25%.
Bahamas is 0%.
Bahrain is 0%.
Bangladesh is progressive up to 30%.
Barbados is progressive up to 33.5%.
Belarus is a flat rate of 13%.
Belgium is progressive up to 50%.
Belize is a flat rate of 25%.
Benin is progressive up to 35%.
Bermuda is 0%.
Bhutan is progressive up to 25%.
Bolivia is a flat rate of 13%.
Bosnia and Herzegovina is a flat rate of 10%.
Botswana is progressive up to 25%.
Brazil is progressive up to 27.5%.
British Virgin Islands is 0%
Brunei is 0%...
https://www.xpatulator.com/cost-of-living-article/Personal-Income-Tax-Rates-Worldwide_727.cfm