The latest Tax Friendly Cities Index 2025 by Metropolitan can be seen both as a scoreboard for low-tax urban havens and as a mirror held up to the global economy. In a year when fiscal policy is shaping where people live, invest, and innovate, the rankings reveal a story far bigger than corporate rates or treaty networks.
Tax regimes are changing. From proposed remittance taxes in the United States to India’s expanding cross-border levies, the global conversation is getting more complex. Meanwhile, more millionaires are relocating internationally than ever before, with tax policy influencing decisions on where to live, invest, and structure wealth for the next generation.
The differences between jurisdictions can be stark. In the OECD, net wealth taxes are rare, but inheritance and gift taxes are widespread. Even when they generate modest revenue, they can trigger significant migration, and research suggests the loss of personal income tax revenue from departing residents often outweighs the gains from the wealth tax itself.
That’s why low rates aren’t enough. The real story is in the combination of tax burden, governance quality, treaty protections, and political stability. A favourable rate in an unstable jurisdiction is no bargain; a predictable, well-governed system is worth far more over time.
The Index takes this holistic view. Its multi-metric methodology assesses cities in the world’s 20 most tax-friendly countries, narrowed from 164 and excluding high-risk jurisdictions.
Three pillars define the rankings:
- Tax Rates: Highest applicable rates for personal income, corporate income, inheritance, wealth, and capital gains taxes.
- Treaty Networks: The number of Double Taxation Avoidance Treaties (DTATs) each country has signed, preventing income from being taxed twice.
- Governance Quality: Predictability, fairness, and stability in enforcement.
According to the Index, the Gulf Cooperation Council (GCC) region is becoming a leader among tax-free cities. Seven GCC cities appear in the global top 20 — proof that the Middle East has become a serious player in the wealth mobility market. Abu Dhabi takes the lead, Dubai sits close behind, and Manama edges just ahead of Doha on unrounded scores.
What is it about these rankings that makes them different? They don’t just look at low or no tax rates; they also look at how clear the law is and how much investors trust it. For instance, tax-free cities in the GCC don’t have a personal income tax and have competitive corporate structures, which makes them attractive to both people and businesses.
Let’s look at the top 10, city by city:
- Abu Dhabi (Score: 637.1)
The world’s top tax-friendly city has no personal income tax, minimal property transfer costs, and strong legal protections. This combination keeps taxes low, rules stable, and wealth secure — a formula that has made Abu Dhabi a global benchmark for fiscal stability. - Dubai (Score: 635.1)
A close second, Dubai offers the same zero personal income tax as Abu Dhabi, but pairs it with a vast network of international treaties and transparent regulations. This connectivity makes it a natural hub for global business, where capital and talent can move freely. - Singapore (Score: 624.2)
Singapore’s appeal lies in more than just low taxes. Its strong treaty system, predictable rules, and reputation for financial discipline make it a magnet for those seeking a fair, reliable, and globally connected base. - Manama (Score: 611.9)
Bahrain’s capital benefits from the GCC’s signature low-tax model — no personal income tax — alongside ongoing efforts to strengthen its institutions. The result is a stable, business-friendly city for professionals who value both opportunity and security. - Doha (Score: 611.9)
What makes Doha compelling isn’t just the absence of tax. It’s the presence of good governance, the deliberate diversification of its economy, and the pace of its transformation. There’s a confidence to it — the kind that comes from knowing you’re sitting on both resources and a plan. It’s a city investing in infrastructure, courting global business, and still managing to feel human-scaled compared to some of its regional peers. - Zurich (Score: 598.3)
As Europe’s financial fortress, Zurich offers robust tax systems, an extensive network of treaties, and a secure environment for protecting wealth. - Hong Kong (Score: 592.6)
Low effective tax rates and a legal framework that actively supports commerce keep Hong Kong among Asia’s most attractive business destinations. - Kuwait City (Score: 590.5)
Another GCC success story, Kuwait City draws global capital with zero personal income tax, regional stability, and a long-term commitment to investor trust. - George Town, Cayman Islands (Score: 589.2)
Openness, legal strength, and sweeping tax exemptions underpin George Town’s enduring appeal as a financial haven. - Hamilton, Bermuda (Score: 585.8)
Bermuda’s capital rounds out the top 10 with its zero-tax regime, strong treaty networks, and reputation as a secure place to preserve wealth.
The Bottom Ranks Matter Too
While the top-ranked cities dominate headlines, the lower end of the index reveals a different reality. The one defined by opaque regulation, volatile politics, and high effective tax burdens that undermine both investor confidence and long-term economic growth. In these jurisdictions, the deterrent effect is not limited to high-net-worth individuals but extends to entrepreneurs, start-ups, and mid-sized businesses. All of which can contribute to job creation and innovation. The result is a compounding loss — capital leaves, business formation slows, and the tax base erodes, forcing governments into a cycle of raising rates on a shrinking pool of taxpayers.
By contrast, the leaders in the index understand that tax competitiveness is as much about predictability as it is about percentage points. A zero or low rate can attract attention, but what sustains capital is the ability to plan decades ahead without fearing sudden policy shifts or arbitrary enforcement.
In 2025, this means integrating tax strategy with other decisive factors: residency and citizenship options, treaty access that shields cross-border income, rigorous but navigable regulatory compliance, and a quality of life that retains talent.
In this sense, optionality becomes a core asset class of its own. The Index maps where that optionality exists, revealing not only where the cost of capital is lowest, but where the structural environment supports its preservation.
The Index doesn’t just chart the safest harbours for capital — it quietly exposes the places where policy drives wealth away. It tells you not just where wealth can grow, but where it can be protected when politics turn, markets crack, or the rules change overnight.
* Tetiana Rak is the Chief Operations Officer (COO) at We Are Innovation. A journalist and freedom activist with 8 years of experience, Tania has worked with renowned media outlets including CNN, TechCrunch, Fox News, HackerNoon, the BBC, and Radio Free Europe, among others. Her unwavering dedication to championing the ideas of technological advancements and global digital transformations has earned her a distinguished reputation in the field. Through her work, Tania promotes the ideas of liberty and individual rights as a cornerstone of any rights-respecting society. Strengthened by the experience of war in Ukraine, Tania’s beliefs also stand for promoting technological advancements as the transformative tool to advance liberty, giving people the opportunity to speak, act, and pursue happiness without unnecessary external restrictions.
Source: We Are Innovation
