The UK’s decision to close the non‑domiciled (“non‑dom”) tax regime is expected to trigger the largest outflow of high‑net‑worth residents in the country’s history. Analysts estimate that up to 500 000 millionaires could leave the UK over the coming years, with the number of applications already rising sharply:
- 1 600 in 2022
- 4 200 in 2023
- 9 500 in 2024
If the trend continues, the cumulative loss could reach £140 billion in tax revenue, while the broader London economy may shrink by £30 billion. Longer‑term projections suggest a total economic hit of £300 billion over the next decade.
How the non‑dom system worked
- Non‑dom residents could establish a temporary UK presence without being taxed on foreign‑sourced income.
- UK‑sourced earnings (e.g., rental income, pensions, crypto gains) were taxed at the standard 45 % income‑tax rate for earnings above £125 000.
- Additional levies included 20 % VAT, a 40 % tax on high‑value property above a £325 000 threshold, and inheritance tax based on domicile rather than residence.
What changed
- The new Labour government reduced the non‑dom period from four years to a two‑year “transition” phase, limiting the attractiveness of the regime.
- Inheritance tax on assets held in property trusts will shift from a domicile‑based to a residence‑based calculation, removing a historic exemption.
- An “exit tax” is being introduced to capture revenue when high‑net‑worth individuals leave the UK.
Drivers of the exodus
- High tax burden on both domestic and foreign income.
- Increasing crime rates: recorded criminal incidents rose from 62 per 1 000 people in 2013‑14 to 93.6 per 1 000 in the most recent data—a 50 % increase over a decade, with over 2 million violent and sexual offenses reported in 2022.
- Cost of living pressures and inflation, compounded by perceived over‑regulation.
Likely destinations
Wealthy expatriates are expected to gravitate toward jurisdictions that retain favorable tax treatment and offer residency or citizenship pathways, such as:
- Greece and Italy – lump‑sum tax schemes.
- Monaco and the United Arab Emirates – zero‑tax environments.
- Portugal – Non‑Habitual Resident (NHR) program and Golden Visa.
- Other emerging options – Paraguay, Panama, Vanuatu, and similar “golden‑visa” jurisdictions.
Economic and social fallout for the UK
- Real‑estate market: reduced demand from affluent buyers could depress property values.
- Education sector: many private schools rely on tuition from high‑net‑worth families; the loss of this clientele may lead to lower enrolments and job cuts across teaching, support, and ancillary staff.
- Entrepreneurial ecosystem: capital‑intensive start‑ups and venture‑backed firms could face funding gaps, slowing innovation and job creation.
- Philanthropy and cultural contributions: diminished charitable donations and sponsorships from wealthy residents.
- Tourism and luxury retail: while tourism may persist, the reduction in high‑spending visitors could impact luxury goods sales and related services.
Decision points for affected individuals
- Tax residency timing: assess the two‑year transition window to minimize exposure to the new exit tax.
- Asset structuring: consider the impact of inheritance‑tax changes on property trusts and other holdings.
- Alternative jurisdictions: compare tax rates, residency requirements, and lifestyle factors of target countries.
- Professional advice: seek specialist counsel to navigate cross‑border tax implications and relocation logistics.
The combination of higher taxes, rising crime, and a less welcoming regulatory environment appears to be driving a significant shift in where the world’s wealth chooses to reside. If the UK wishes to retain its status as a global financial hub, policy adjustments will be required to address both the immediate fiscal impact and the longer‑term erosion of its high‑net‑worth community.





