In most countries you do not need citizenship to own property — but restrictions exist, and property rarely leads to a passport.
Two different questions hide behind the same search. One is whether a foreigner may own a house at all. The other is whether buying one leads to residency or citizenship. The answers are usually yes and usually no, in that order.
In most countries, yes. Ownership of residential property is generally open to non-citizens and non-residents, and citizenship is not a precondition. The restrictions that do exist tend to fall into a few recognisable categories:
Sometimes, under a specific programme — and that is the key qualifier. Where a country operates a residence-by-investment scheme with a real estate option, a qualifying purchase can produce a residence permit. Outside such a programme, owning property gives you no right to stay beyond an ordinary visitor visa.
Residency obtained this way is still residency: it must be maintained, it can lapse, and it is not a passport. The distinction is set out in the glossary.
Almost never directly. A small number of citizenship programmes have included a real estate option, under which an approved property purchase held for a defined period qualifies the buyer for citizenship. These are exceptions, they are tightly defined, and the qualifying properties are designated by the government rather than chosen freely.
Vanuatu is not one of them. The Vanuatu programme is contribution-based; buying property in Vanuatu does not confer citizenship, and any offer suggesting otherwise is misdescribing it. What the programme does require is set out in the contribution and fee structure.
We can tell you whether the residency or citizenship part of that plan is real before you commit to the property part.