Special expat tax schemes are difficult to compare because countries solve different policy problems with different mechanics. One country may apply a flat gross rate to qualifying employment income; another may let an employer reimburse a percentage tax-free; another may reduce the taxable base.
Five variables that change the answer
1. Salary threshold
Some regimes are explicitly aimed at highly paid or scarce employees. Denmark's highly paid employee route has a DKK 65,400 monthly threshold in 2026, while the Netherlands uses annual expertise salary standards.
2. Prior residence
A country may require the applicant to have been outside the country — or outside a defined border region — for a specified lookback period. This can disqualify someone whose salary would otherwise pass.
3. Employer and recruitment conditions
Many schemes are employment-linked. Being a freelancer, moving before recruitment, or working for the wrong entity can change the answer.
4. Duration
A lower tax burden for three or five years may be attractive for a short move but less decisive for someone planning permanent settlement.
5. What income the scheme actually covers
A headline percentage is not necessarily your effective tax rate on all income. Other income, social-security charges, deductions and caps may sit outside the special treatment.
How ExpatEngine uses these variables
Version 1 screens only rules that can be stated clearly from current official sources. It does not calculate final net income until the ordinary tax system and interactions have been verified country by country.