Keep your US citizenship: how Lithuania's dual-citizenship rule really works

When Americans look into reinstating Lithuanian citizenship, the first question is almost never about archives or eligibility. It is "do I have to give up my US passport?" The answer is no. But because the internet is full of half-correct information, half of which is actually about Latvia, it is worth laying out exactly how Lithuania's dual-citizenship rule works, and clearing up the two things people most often get wrong.

The rule in one sentence

Lithuania generally asks its citizens to hold only one citizenship, but the Law on Citizenship carves out specific categories that may hold two, and the reinstatement route is one of them: people who left Lithuania, or were exiled or deported, before 11 March 1990, and their descendants may hold Lithuanian citizenship and their other citizenship at the same time.

If your family fits that pattern, a pre-1940 Lithuanian citizen whose line left before independence, then dual citizenship is built into the route. You do not renounce your US citizenship. You do not take an oath against it. You simply hold both: your American passport in the US, your Lithuanian one in Europe.

Who counts as a descendant

The dual-citizenship category does not stop at the person who left. It extends to their descendants, meaning the children, grandchildren, and great-grandchildren of a person who held Lithuanian citizenship before 1940. So a great-grandchild today, three generations down from the émigré or exile, is squarely inside the category and keeps their US citizenship. The great-grandchild is the limit of the line; a great-great-grandchild is past it.

The disqualifying fact, stated plainly

There is one departure pattern the category does not cover: leaving for the territory of the former Soviet Union after 15 June 1940. If that is your family's story, the dual-citizenship category does not apply on that basis, which usually means the route would require giving up the other citizenship rather than holding both. We look at the exact route and dates before telling you where you stand. For the common American pattern, emigration to the US before the war, this exclusion never comes into play.

Confusion number one: the "2014 birth cutoff" is Latvia, not Lithuania

Here is the single most common mix-up we see. People read that there is a date-of-birth cutoff, that a descendant must have been born on or before 1 October 2014 to qualify, and they assume it applies to them. It does not, if their family is Lithuanian. That cutoff is Latvia's rule.

Lithuania has no date-of-birth cutoff for descendants. None. The only ceiling on the Lithuanian route is the great-grandchild generation. A descendant born last year qualifies on exactly the same terms as one born in 1970, as long as they are within three generations of the pre-1940 citizen and the line fits the rules.

People mix Lithuania and Latvia up constantly, partly because the two Baltic exile routes look similar at a glance and partly because families are not always sure which country a great-grandparent came from. If you have read about a 2014 cutoff and worried it shuts you out, check which country your family is actually from. If it is Lithuania, that cutoff is not yours.

Confusion number two: "didn't a 2024 referendum change this?"

The other thing people have heard is that Lithuania held a referendum on dual citizenship in 2024 and it failed, and they assume the failure closed the door. It did not, and the reason matters.

The referendum, held on 12 May 2024, aimed to broaden dual citizenship for everyone, well beyond the exile and émigré category. About 72% of those who voted said yes. But Lithuania's constitution requires that a constitutional amendment be approved by more than half of all registered voters, not just a majority of those who turn out, and that high threshold was not met. So the broad expansion failed.

Crucially, that failure changed nothing about this route. The category for people who left before 11 March 1990 and their descendants was already law before the referendum, it sits in the existing Law on Citizenship, and it still stands today. The referendum was an attempt to add more, not to confirm what already existed. When it fell short, the existing exemption stayed exactly where it was.

Why this matters for your case

For an American family descending from a pre-1940 Lithuanian who left before independence, the dual-citizenship picture is simple and stable: you keep your US citizenship, there is no birth-date cutoff to fall foul of, and nothing in recent politics has narrowed the route.

Confirm it for your own line

The only way to know for sure that the dual-citizenship category covers your family is to check the actual facts: which ancestor was a citizen, when and where the line left, and how the generations run down to you. Tell us those facts and we will confirm, plainly, whether you keep both passports.

Information current as of June 2026. We update this guidance when the rules change.