Sao Tome and Principe, Estonia, Thailand, Costa Rica: Tax Rates & Startup Funding Compared
Side-by-side breakdown of tax rates, startup funding, startup ecosystem, and 6 more dimensions for founders choosing where to incorporate in 2026.
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Estonia and Thailand and Sao Tome and Principe tax all worldwide income once you become a tax resident (top rate: 35%). Costa Rica does not - only locally-sourced income is taxed. This is a fundamental structural difference that affects your total effective tax burden.
Both countries tax worldwide income, but the top personal income tax rates differ materially. Thailand: 35% vs Estonia: 20%. Both apply to all global earnings once you establish residency.
Not tax advice. Tax laws change frequently. Verify with a qualified professional before making residency decisions.
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