
Mauritius citizenship by exception explained: the public interest grant, the $500K investor fast-track, the renunciation trap, and what the passport is worth.
If you've heard that Mauritius grants citizenship by exception, here's the short version: it does, sort of, and you almost certainly can't use it.
Mauritius has no citizenship by investment program. It never has, despite one government trying to launch one in 2018 and quietly abandoning it. What Mauritius has instead is a 1968 law with two unusual doors in it. One is a genuine citizenship by exception clause: the Minister of Home Affairs can hand a naturalisation certificate to anyone, at any time, if he decides it's "in the public interest." No criteria. No published process. No appeal. The other is an investor fast-track that cuts the residence requirement for naturalisation from around seven years to two, if you invest at least USD 500,000 and actually live on the island.
Both routes are real. Both are written into the Mauritius Citizenship Act. And both come with a condition that most promotional guides bury in paragraph nineteen: to naturalise in Mauritius, you must first renounce every other citizenship you hold.
That single sentence changes everything about who this route is for. This guide covers the full picture: the law, the public interest grant, the investor pathway, the renunciation trap, the 2018 passport-selling episode, the new $1 million Golden Visa (which is not citizenship, whatever the headlines imply), and how the Mauritian option compares with programs that were actually designed for international applicants.
We've written before about citizenship by exception as a category: countries like Serbia, Albania, and the UAE grant nationality by government discretion to individuals judged to serve the national interest. There's no application portal and no binding criteria. A minister or cabinet decides, case by case, for reasons they don't have to explain.
Mauritius belongs on that list, though almost nobody puts it there.
The mechanism sits in Section 9(5) of the Mauritius Citizenship Act 1968:
"Notwithstanding this section, the Minister may grant a certificate of naturalisation to an alien or British protected person if he is satisfied that it is in the public interest so to do."
Read that carefully. "Notwithstanding this section" means the Minister can set aside every other requirement in Section 9: the residence periods, the language requirement, the good character assessment, the intention to reside. If the Minister is satisfied a grant serves the public interest, the certificate can issue. That's the entire legal framework.
There's a parallel provision for Commonwealth citizens. Section 5(3) lets the Minister register any Commonwealth citizen as Mauritian "if he is satisfied that it is in the public interest so to do," skipping the normal five-year residence requirement.
What counts as public interest? The Act doesn't say. There's no schedule of qualifying contributions, no published list of past recipients, no annual report. In practice, exceptional grants in Mauritius have tended to involve athletes, investors with major projects, and individuals with strong ties to the island. But "tended to" is doing heavy lifting in that sentence, because the government publishes nothing.
And here's the part that should give any serious applicant pause. Section 17 of the same Act:
"The Minister shall not be required to give any reason for the grant or refusal of any application under this Act... The decision of the Minister on any application under this Act shall not be subject to any appeal or review in any Court."
No reasons. No appeal. No judicial review, excluded by statute. Serbia's Article 19 pathway, which we've criticised at length, at least operates inside a legal system where administrative decisions can theoretically be challenged. Mauritius wrote the immunity directly into the law in 1968 and never removed it.
If you're a Nobel laureate, a top-20 tennis player, or an industrialist planning a nine-figure project in Port Louis, the public interest route exists for you, and a Mauritian law firm with government relationships is your next call. For everyone else, the phrase "Mauritius citizenship by exception" is mostly a search term that leads to the second door: the investor fast-track.
Before getting into the investor pathway, it helps to see the whole map. Under the Constitution and the Citizenship Act, a foreigner can acquire Mauritian citizenship through four channels.
Registration as a Commonwealth citizen requires five years of continuous residence, good character, adequate knowledge of English or another language current in Mauritius, and intent to keep living there (Section 5). Registration by marriage requires four years of living with your Mauritian spouse "under the same conjugal roof in Mauritius" (Section 7). Standard naturalisation for non-Commonwealth citizens requires residence for the 12 months before applying, plus at least five years of aggregate residence in the seven years before that (Section 9(1)). And then there are the two exceptional routes: the Section 9(3) investor fast-track and the Section 9(5) public interest grant.
Note what's missing: any route where you pay money and receive a passport without living in Mauritius. The distinction matters because several websites market "Mauritius citizenship by investment" as if it worked like Dominica or Vanuatu. It doesn't. Every route except the pure ministerial exception requires years of genuine physical residence.
Section 9(3) is the provision that gets Mauritius mentioned in investment migration circles:
"The Minister may accept a continuous period of residence of not less than 2 years instead of the qualification in respect of residence specified in subsection (1)(c) and (d) where a person has invested in Mauritius a sum of not less than 500,000 US dollars or such other sum as may be prescribed."
Strip away the drafting and the deal is this: invest at least USD 500,000 in Mauritius, live there continuously for two years, and you can apply for naturalisation without waiting out the standard seven-year timeline.
A few things about how this works in practice.
First, you need legal residence before you can start the clock. Most investors get there through Mauritius's residence permit system, run by the Economic Development Board. The main options: an Investor Occupation Permit (minimum USD 50,000 invested in a Mauritian company), a residence permit through purchasing approved real estate (minimum USD 375,000 under the PDS, IRS, or RES schemes), a Retired Residence Permit (transfer at least USD 1,500 monthly or USD 18,000 a year), or the new Golden Visa at USD 1 million, which we'll get to. The real estate route is popular for the citizenship track because a USD 500,000+ villa purchase can satisfy both the residence permit requirement and the Section 9(3) investment threshold in one transaction.
Second, "continuous residence" means what it says. This is not a Caribbean program where you visit for five days to collect biometrics. The Minister is being asked to accept two years of actual residence in place of seven, and applications are assessed on whether your life is genuinely in Mauritius: home, tax residence, days physically present.
Third, and this is the part people miss: meeting the requirements gets you the right to apply, not the right to receive. Section 9 says the Minister "may" grant a certificate, and Section 17 means a refusal comes with no reasons and no appeal. There is no processing SLA, no published approval rate, and no legal mechanism to force a decision. We know of applications under this provision that have sat undecided for years.
So the realistic budget for the investor route is USD 500,000+ in capital (recoverable if invested in property or a business, unlike a Caribbean donation), two-plus years of your life on the island, government and legal fees that are modest by industry standards (application fees run in the hundreds of dollars, not thousands), and an unquantifiable amount of ministerial discretion at the end of it.
Now the deal-breaker. Section 9(4):
"An alien or British protected person shall not be granted a certificate of naturalisation under this section unless he first renounces the nationality or citizenship of any other country which he may possess and takes the prescribed oath or affirmation of allegiance."
To naturalise as a Mauritian, you give up everything else. Not after a grace period. First, before the certificate is granted. The same requirement applies to Commonwealth citizens registering under Section 5 and to spouses in most cases.
This surprises people because Mauritius is routinely described as a country that allows dual citizenship. It does, with an asymmetry that's easy to miss: Mauritians by birth or descent can hold as many other passports as they like. The 1995 constitutional amendments cleared that up, and thousands of Mauritians hold British, French, Australian, or South African citizenship alongside their Mauritian one. The renunciation requirement falls only on incoming citizens, the people reading this article.
There's one narrow exception. Under Section 2(2)(d), if your country of origin legally doesn't permit renunciation (a handful of countries, like Argentina and Morocco, don't), you instead swear a declaration before the Supreme Court's Master and Registrar that you'll conduct yourself as exclusively Mauritian. Everyone else actually renounces.
Could a Section 9(5) public interest grant sidestep this? The drafting is ambiguous. "Notwithstanding this section" arguably lets the Minister waive subsection (4) along with everything else, and there are credible reports of exceptional grants where renunciation wasn't demanded. But nothing is published, nothing is guaranteed, and the same Section 17 means you'd never get an explanation either way. If your plan depends on keeping your current passport, you'd want that resolved in writing before committing anything, and Mauritius doesn't do advance rulings on citizenship.
For a reader whose goal is a Plan B, a second citizenship that sits alongside the first, this requirement disqualifies the Mauritian naturalisation route almost by definition. Swapping your citizenship is not a Plan B. It's a Plan A replacement, with all the risk that implies.
Worth knowing before anyone romanticises the Mauritian passport: naturalised citizenship in Mauritius is conditional in ways birth citizenship is not.
Under Section 11, the Minister can strip a naturalised or registered citizen for fraud in the application, disloyalty "by act or speech," certain criminal convictions within seven years of naturalising, or, most relevant to internationally mobile people, ordinary residence abroad for a continuous period of five years without registering your intention to keep the citizenship at a Mauritian consulate or notifying the Minister in writing.
Play that forward. You invest half a million dollars, live in Mauritius for two years, renounce your original citizenship, receive your certificate, then move to Dubai for work. Five years pass and you never file the retention paperwork. The Act does say the Minister can't deprive someone who would become stateless, and after renunciation, Mauritian citizenship is all you have, so the statelessness bar probably protects you. But "probably protected by one clause, with no court allowed to check" is not where you want your entire legal identity to sit. And if you later acquire a second nationality, that safeguard falls away and the five-year rule bites in full.
Section 12 adds another: exercising rights reserved to nationals of another country (voting in its elections, using its passport) can also trigger deprivation for naturalised citizens.
None of this means deprivation happens often. It means the structure is discretionary at the entrance and conditional at the exit, and Section 17 removes the courts from both ends.
In June 2018, Prime Minister Pravind Jugnauth's budget speech announced something remarkable: Mauritius would offer citizenship for a USD 1 million non-refundable contribution to a new Mauritius Sovereign Fund (plus USD 100,000 per dependent), and a Mauritian passport without citizenship for USD 500,000 (plus USD 50,000 per dependent), as IMI Daily reported at the time.
The backlash was immediate. Opposition politicians attacked the idea of nationality as a commodity. Commentators pointed at the reputational risk to a jurisdiction that had spent two decades fighting its way off financial grey lists. The scheme needed enabling amendments that never materialised, and after the political turbulence of 2019, it disappeared without a formal burial. No passport was ever sold under it.
That episode explains something about the current state of play. Mauritius looked directly at becoming a CBI jurisdiction, measured the cost to its reputation as Africa's cleanest financial centre, and declined. The country holds investment-grade credit ratings, sits on the OECD white list, and trades heavily on being the compliant, credible gateway for Africa-bound capital. A passport counter doesn't fit that brand. Anyone waiting for Mauritius to launch a true CBI program is likely waiting for something the political system has already rejected once.
In May 2026, Prime Minister Navin Ramgoolam's government announced a USD 1 million Golden Visa, targeting roughly 100 wealthy individuals a year according to Bloomberg, with fast-track processing in as little as five working days and the investment to be deployed within 12 months of arrival, aimed at sectors like fintech, AI, biotech, and renewable energy.
Several outlets covered this as Mauritius joining the passport-selling club. It isn't that. The Golden Visa is a renewable residence permit for the applicant and immediate family. Fortune's coverage put it plainly: you're paying for the right to live there, not for a nationality.
What the Golden Visa does do is feed the naturalisation pipeline. A Golden Visa holder who moves for real has legal residence, and a USD 1 million qualifying investment comfortably clears the Section 9(3) threshold of USD 500,000. Two years of continuous residence later, the fast-track naturalisation application opens up, renunciation requirement and ministerial discretion included. The visa is the on-ramp. The Citizenship Act is still the road.
Suppose you clear every hurdle. What do you hold?
A genuinely good travel document. The Mauritian passport gives visa-free or visa-on-arrival entry to roughly 147 destinations, one of the two strongest passports in Africa alongside Seychelles. That includes the Schengen Area (90 days), the United Kingdom, Japan, Singapore, Hong Kong, Russia, China, and most of Africa and the Commonwealth. The US and Canada require visas, as they do for nearly every passport in the investment migration world.
The residence itself is the stronger asset. Mauritius taxes personal income at a flat 15%, rising to 20% only above roughly MUR 3.5 million (about USD 75,000). There is no capital gains tax, no inheritance tax, no wealth tax, and no tax on dividends from resident companies. Corporate tax is 15%, with partial exemption regimes that bring effective rates on some income to 3%. Foreign-source income remitted to Mauritius can qualify for credits and exemptions under one of Africa's largest tax treaty networks, 40+ treaties including India, China, France, and the UAE.
Two honest caveats. Mauritius participates fully in the Common Reporting Standard, so Mauritian banks report account data to your home tax authority; anyone comparing this with El Salvador's non-CRS position should know the privacy profiles are not equivalent. And the island is 2,000 km from mainland Africa with a four-hour flight to Johannesburg and eleven-plus hours to Europe. As a base it's beautiful, stable, English- and French-speaking, and genuinely pleasant. It's also remote. The people who thrive there tend to be the ones who wanted an island life rather than tolerated one.
After all of that, the honest segmentation looks like this.
The Section 9(3) investor route makes sense for a narrow profile: someone who intends to move to Mauritius, build a life there for years, is comfortable renouncing their current citizenship, and comes from a country whose passport is weaker than Mauritius's roughly 147 destinations. For a Bangladeshi, Nigerian, or Pakistani entrepreneur relocating their family and business to Port Louis or Ebène, trading up to a Mauritian passport is a rational, life-improving move. Thousands of people fit this description, and for them Mauritius is one of the better naturalisation deals anywhere: two years, half a million dollars in recoverable investment, and a top-30 passport.
The Section 9(5) public interest route is for people who don't read guides like this one, because governments come to them.
And for the person who typically searches "Mauritius citizenship by exception", a Western or globally mobile HNWI looking for a second passport to hold alongside their first, the Mauritian citizenship route fails at the renunciation requirement before any other factor matters. What Mauritius offers that person instead is residence: an Occupation Permit, a USD 375,000 property, or the new Golden Visa, plus one of the world's most livable low-tax jurisdictions. Mauritius is an excellent Plan B residency and a poor Plan B citizenship.
The structural comparison is the same one we drew in our citizenship by exception overview: discretionary and residence-based routes solve different problems than codified citizenship by investment programs do.
Mauritius asks for two years of your life, your existing nationality, and a ministerial decision that no court can review. A codified CBI program asks for capital and due diligence, and gives you a statutory entitlement, a published timeline, and a passport that adds to your portfolio instead of replacing it.
If the second option is what you were looking for, the programs worth comparing are the ones built for it: El Salvador's Freedom Visa (USD 1 million in BTC or USDT, paid only after due diligence approval, roughly 42-day processing, dual citizenship permitted, and a Global Entry partnership with the US), or the established Caribbean and Pacific programs from St. Kitts to Vanuatu starting near USD 130,000–250,000. Every one of them lets you keep the passport you already have. You can compare all of them on our citizenship by investment overview.
Mauritius rewards the person who moves there. It does very little for the person who won't. Knowing which one you are is most of the decision.
Does Mauritius have a citizenship by investment program? No. Mauritius has never operated a CBI program. A 2018 budget proposal to sell citizenship for USD 1 million was abandoned after political backlash. What exists is an accelerated naturalisation route: USD 500,000 invested plus two years of continuous residence, under Section 9(3) of the Citizenship Act, subject to ministerial discretion.
What is citizenship by exception in Mauritius? Section 9(5) of the Mauritius Citizenship Act lets the Minister grant naturalisation to anyone "in the public interest," bypassing all normal requirements. There is no application process, no published criteria, and under Section 17 the Minister gives no reasons and no court can review the decision. It's used rarely, typically for athletes, major investors, and people with exceptional ties to Mauritius.
Can I keep my current passport if I become a Mauritian citizen? Not through the normal routes. Section 9(4) requires you to renounce all other citizenships before naturalisation is granted. Mauritians by birth or descent can hold dual citizenship; naturalised citizens cannot, unless their original country legally forbids renunciation or the Minister makes a discretionary exception.
Is the Mauritius Golden Visa a path to citizenship? Not directly. The Golden Visa announced in May 2026 is a renewable residence permit for a USD 1 million investment. It can, however, provide the legal residence and qualifying investment that make you eligible to apply for fast-track naturalisation after two years of actually living in Mauritius.
How strong is the Mauritian passport? It gives visa-free or visa-on-arrival access to roughly 147 destinations, including the Schengen Area, the UK, Japan, Singapore, China, and Russia. The US and Canada require visas.
How long does Mauritian citizenship by naturalisation take? The standard route requires about seven years of residence (five years within seven, plus the final 12 months). The investor route compresses this to two years with a USD 500,000 investment. Processing time after application is discretionary and unpublished; there is no statutory deadline.
Evaluating whether Mauritius fits your plan, or looking for a second citizenship you can hold alongside your current one? Book a consultation with CitizenX and we'll walk through your specific situation.
<!-- Sources - Mauritius Citizenship Act 1968 (consolidated): https://mauritiuslii.org/akn/mu/act/1968/45/eng@2017-06-30 - IMI Daily, "Mauritius to Open US$500k Citizenship by Investment Program Says PM in Budget Speech" (2018): https://www.imidaily.com/editors-picks/mauritius-to-open-us500k-citizenship-by-investment-program-says-pm-in-budget-speech/ - Bloomberg, "Mauritius Targets 100 Wealthy Individuals a Year With Golden Visa Plan" (May 5, 2026): https://www.bloomberg.com/news/articles/2026-05-05/mauritius-targets-100-wealthy-individuals-a-year-with-golden-visa-plan - Fortune, "Tiny island nation unveils $1 million Golden Visa" (May 6, 2026): https://fortune.com/2026/05/06/mauritius-golden-visa-scheme-island-millionaire-investment/ - Wikipedia, Visa requirements for Mauritian citizens: https://en.wikipedia.org/wiki/Visa_requirements_for_Mauritian_citizens - CitizenX, "Why you should AVOID Citizenship by Exception in 2026": https://citizenx.com/insights/citizenship-by-exception - CitizenX, "Guide to Citizenship By Investment in Mauritius in 2026": https://citizenx.com/insights/mauritius-citizenship-investment -->

