Flat income-tax countries

Every country that runs a single-rate personal income tax.

29 of 65 countries · flat income tax
  • Range: 0% – 10%

  • Range: 5% – 35%

  • Range: 0%

  • Range: 0% – 25%

  • Range: Flat 10%; sole traders 15%; dividends 5%

  • Canada33% + province

    Range: Federal 14% – 33%; combined with provinces roughly 44.5% – 54.8% at the top

  • Range: 0% – 35% for residents; 0% band up to EUR 22,000 (2026)

  • Range: 15% / 23% for residents; 23% only above CZK 1,762,812 (2026)

  • Range: Flat 22%; dividends 0% at shareholder level

  • Range: 0% – 20%

  • Range: 9% – 44% for residents; 0% up to EUR 20,000 if you are under 26

  • Hong Kong15% / 17%

    Range: 2% – 17% progressive, capped at the 15%/16% standard rate

  • Range: Flat 15% (plus 13% social tax on some income); 0% for under-25s and qualifying mothers

  • Range: 25.5% / 33% (+3% over EUR 200,000); capital income 25.5%

  • Range: 20% / 25% / 32% (2026); dividends and small passive income at 15%

  • Range: 0% – 35% for residents; special 15% flat regimes for many expats

  • Range: 0% personal income tax

  • Peru30%

    Range: 8% – 30% (work); effective 5% (capital)

  • Range: 0% – 35%

  • Range: 12% / 32% for residents, plus a 4% solidarity tax over PLN 1 million

  • Qatar0% / 10%

    Range: 0% on personal income; 10% on business profits

  • Range: Flat 10% income tax; 16% on dividends and crypto (2026)

  • Saudi Arabia0% / 20%

    Range: 0% on personal income; 20% on business profits (Zakat 2.5% for Saudi/Gulf nationals)

  • Range: 19% – 35% for residents (2026); business income from 15%

  • Range: 16% – 50% for residents; passive income at flat 25%

  • Range: 18% – 45%

  • Switzerland11.5% federal (+ canton)

    Range: Federal 0% – 11.5%; total burden varies by canton (roughly 20% – 45% top rates all-in)

  • Range: 0% – 35%

  • Range: 0% personal income tax

Source: 2026 tax dataset · updated 2026-07-11 · rates are headline figures — see each country's tax guide for the full picture.