🇵🇹 Portugal vs 🇬🇧 United Kingdom
Tax residency, treaties and PE risk compared.
| Dimension | 🇵🇹 Portugal | 🇬🇧 United Kingdom |
|---|---|---|
| Residency rule | 183 days OR habitual residence on 31 Dec | Statutory Residence Test (SRT) — ties + days |
| Day threshold | 183 days | 183 days |
| Warning band | from 150d | from 90d |
| Tax range | 14.5–48% (NHR 20%) | 20–45% |
| Tax treaties | 80+ | 130+ |
| PE risk | Medium | Medium |
| Digital nomad visa | Yes | No |
| Best for | IFICI / NHR 2.0 applicants in scientific and tech roles | Returning expats using split-year treatment |
| Common pitfall | Owning or renting a home on Dec 31 can establish residency regardless of day count. | Even 16 days can trigger residency if you have 4+ ties to the UK. |
Verdict
Portugal and United Kingdom carry similar residency risk on day-count alone — the deciding factor is usually treaty coverage (80 vs 130) and your specific income mix.
Deep dive
🇵🇹 Portugal residency rules →
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🇬🇧 United Kingdom residency rules →
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