Ask the question the way most people ask it, and it collapses into one sentence: does El Salvador allow dual citizenship. It does, and citizenship-by-investment marketing likes to stop right there, at the word yes, as though one country's answer settles the matter for every authority that will ever look at your passport. It does not. A second citizenship is not a private fact that lives quietly between you and the country that issued it. It is a fact that at least two governments eventually see, and they were never going to see it the same way.
So here is the fuller version, desk by desk: what El Salvador recognizes and requires, where a representative handful of other countries sit on the same question, and what changes, in practice, once you hold two passports instead of one.
What El Salvador actually recognizes.
Start with the country granting the passport, because its position is the most specific and the most misquoted. Article 91 of the 1983 Constitution is the source most CBI marketing points to, and it says exactly this: Salvadorans by birth have the right to enjoy dual or multiple nationality. Read closely, the scope is narrower than the marketing suggests. The right belongs to citizens by birth, jus soli or jus sanguinis, not to citizens by naturalization, which is what every Freedom Passport holder becomes.
That distinction is not academic. For a naturalized citizen, the constitutional path runs through a different article. Article 93 provides that international treaties, not the Constitution directly, govern whether nationals of countries outside the former Central American Federal Republic keep their original nationality after Salvadoran naturalization, conditioned on a principle of reciprocity. In plain terms, El Salvador does not force you to renounce the passport you already hold as a precondition of naturalizing; nothing in the naturalization statute demands it. But whether you go on holding that original nationality afterward is not the same unconditional guarantee the Constitution gives someone born Salvadoran. It runs through treaty and reciprocity rather than outright right.
A second, separate provision matters too, because it concerns keeping the citizenship you are about to acquire, not the one you already have. Article 94 sets out grounds on which naturalized Salvadoran citizenship, specifically, can be lost: residing more than two consecutive years in your country of origin without authorization from the appropriate Salvadoran authority, being absent from Salvadoran territory for more than five consecutive years, or a final judicial sentence in cases the law specifies. This sits alongside, and is distinct from, the program's own periodic genuine-link visit requirement. Loss under Article 94 is described as non-recoverable, unlike voluntary renunciation of birth-citizenship under Article 91, which can be restored. It is a different picture than “dual citizenship, no restrictions,” and deserves to be stated in those terms.
The legal basis for the program is worth being precise about too. Legislative Decree No. 918, from December 2023, reforms the naturalization provisions of the ordinary immigration statute originally enacted as Decree No. 286 in 2019, streamlining the procedure for foreign investors making a qualifying capital contribution. It amends a statute, not the Constitution, so naturalized Freedom Passport citizens sit inside the same Article 91, 93, and 94 framework as any other naturalized Salvadoran; the program does not create a superior dual-nationality status unavailable to naturalized citizens generally. We cover how those decrees fit into the program's legal foundations on the page on legitimacy and legal risk.
One wrinkle cuts the other way. A child born abroad to a naturalized citizen, after that citizen naturalizes, appears to qualify as Salvadoran by birth under Article 90, which grants nationality by birth to the children of a Salvadoran father or mother born abroad without distinguishing how that parent acquired Salvadoran nationality. Read together with Article 91, that would mean the child, not the naturalizing parent, gets the full and unconditional dual-nationality right the parent does not automatically have. This is a reading of two articles taken together, not a proposition Salvadoran courts have had occasion to confirm, so treat it as a reasoned inference rather than a guarantee. But it is a real asymmetry: dual-nationality certainty is stronger one generation down than for the investor who applies for the Freedom Passport in the first place.
A representative spectrum, not a global survey.
El Salvador's position is only half the ledger. The other half is what your own country does when it notices you now hold a second passport, and here the honest caveat matters: no article, including this one, can survey every country's nationality law. What follows is a representative sample across the real range of outcomes, from fully permissive to automatic loss, not a comprehensive catalogue. Confirm your own country's current position with a qualified advisor before relying on anything below.
The permissive end.
Several major economies simply do not care. The United Kingdom permits dual and multiple nationality without limit and requires no renunciation to become or remain a British citizen. Canada has recognized dual and multiple citizenship without restriction since 1977, when Parliament removed the old Citizenship Act's automatic-loss provisions; acquiring a second citizenship, by investment or otherwise, triggers no review. Australia arrived here more recently: until 2002, an adult Australian who voluntarily acquired a foreign citizenship abroad lost Australian citizenship automatically, a rule since repealed. Germany is the newest and most dramatic shift. Its 2024 nationality-law reform, effective 27 June of that year, removed the long-standing requirement that naturalizing applicants renounce their prior citizenship, and it lets German citizens acquire a foreign citizenship without automatically losing German citizenship, previously the default consequence. All four share one caveat: the other country's own law still has to allow the arrangement, since permissiveness on one side of a pair does not create it on both.
The other end.
Other countries treat the same fact as disqualifying. China's Nationality Law states, in Article 3, that the People's Republic does not recognize dual nationality for any Chinese national, and Article 9 makes the consequence automatic: a Chinese national settled abroad who voluntarily acquires a foreign nationality loses Chinese nationality by operation of law, no application or hearing required. India reaches a similar result by a different route. Indian citizenship law does not permit dual citizenship for adults, and voluntarily acquiring a foreign citizenship ends Indian citizenship; the Overseas Citizenship of India scheme many people mistake for a dual-citizenship workaround is, in the Indian government's own words, not to be misconstrued as dual citizenship, and confers no political rights.
A middle group requires an active choice rather than imposing an automatic result. Singapore does not recognize dual citizenship for adults; a citizen who acquires a second nationality as a minor generally has to renounce it by a set age or lose Singapore citizenship automatically at that birthday. Japan requires a dual national to elect a single nationality within a set window, either by a fixed age or within two years of acquiring the second nationality as an adult, and a 2022 change tied to Japan's lowered age of majority tightened that timeline for some cohorts. Enforcement in both countries is reported to be uneven, but the legal default in each case is a deadline, not indefinite tolerance.
Your home country already has a position on this. Applying does not create the question; it just gives the question something to attach to.
What actually changes once the second passport exists.
Set the citizenship-status question aside and ask a narrower one: once you legally hold a Salvadoran passport alongside your original one, what obligations actually move. For most people, the answer is shorter than expected. Nationality and tax residency are not the same test almost everywhere in the world; most tax systems are built around where you live and where your income arises, not which passports sit in your drawer, so a second citizenship by itself does not typically create a new filing duty at home if your residence and financial life do not change. What does change, in some countries, is worth checking rather than assuming away: whether a security clearance, a government post, or a regulated profession requires disclosure of foreign citizenships, and whether your home country's own place on the spectrum above changes anything about your status there. A blanket claim about what a second passport “does to” your existing citizenship is the wrong way to think about the question. It is a new fact, and each authority that touches your life reads it through its own rules.
One case in that broader picture is deep enough, and common enough among this program's applicants, that it deserves to be treated on its own.
The American case, in detail.
United States law permits its citizens to hold a second citizenship without choosing, and without any requirement to disclose or register the fact of holding one. The State Department's own guidance on dual nationality states plainly that US law does not require a citizen to choose between US citizenship and another. A US citizen can naturalize as Salvadoran through this program without putting US citizenship at risk, and that much of the picture is genuinely simple.
What does not change, and what a second passport cannot touch, is citizenship-based taxation. The United States is one of a small number of countries that taxes citizens on worldwide income regardless of where they live or what other citizenship they hold, and the IRS is explicit that this rule applies the same whether a citizen is in the United States or abroad. Acquiring a second citizenship does not reduce, suspend, or alter that obligation. Alongside it sit two reporting regimes triggered not by citizenship but by the value of foreign financial accounts and assets: FBAR, filed with Treasury's Financial Crimes Enforcement Network once aggregate foreign account balances exceed ten thousand dollars at any point in the year, and Form 8938 under FATCA, filed with the IRS return once specified foreign assets cross thresholds ranging from fifty thousand dollars for a US resident filing singly up to six hundred thousand dollars for a married couple living abroad and filing jointly. Neither is caused by holding a second passport; both attach to any US person, dual citizen or not, who holds qualifying foreign accounts above the threshold.
There is also a travel mechanic worth knowing before it becomes a problem at an airport. Federal law requires US citizens, including dual citizens, to enter and leave the United States on a US passport; a second passport is the right document for the other side of that trip, not for US soil. And because the United States has no income tax treaty or Social Security totalization agreement with El Salvador, the relief available to Americans abroad, the Foreign Tax Credit and the Foreign Earned Income Exclusion, is what applies here, with nothing treaty-specific layered on top. None of this is unique to El Salvador; it is what citizenship-based taxation looks like whenever the second country has no tax treaty with Washington. We go deeper on the mechanics for American applicants in our page for US citizens considering a second passport, since FATCA and filing details deserve more room than a general survey can give them.
The decision, stated plainly.
None of the above is a reason to avoid a second citizenship, and none of it is a reason to assume it is costless either. The honest decision frame has three parts. First, confirm what El Salvador actually guarantees a naturalized citizen, narrower and more conditional than the Article 91 headline suggests, including the residency and absence conditions in Article 94. Second, find out, in writing from a qualified source, where your own country sits on the spectrum above, since indifference and automatic loss produce very different next steps and this article's sample will not include yours by name. Third, if you are a US citizen, treat the tax and reporting picture as a planning exercise rather than a footnote, since it follows you regardless of where you live or which passport you present at which border.
This is not legal or tax advice. Citizenship and tax law both vary by jurisdiction and change without much warning, as El Salvador's own naturalization statute and Germany's 2024 reform illustrate. Confirm your specific position with a qualified advisor in your home jurisdiction before relying on anything written here.
Adam Juchniewicz, CEO, 21 CBI
July 2026