Can Ukrainians Have Dual Citizenship? What the 2026 Law Means for You

For years, the biggest obstacle to British naturalisation for Ukrainians was not the five-year residence requirement or the Life in the UK test — it was the prospect of losing their Ukrainian passport. Ukrainian law formally prohibited dual citizenship, which meant that acquiring any other nationality risked your status as a Ukrainian citizen. In practice, enforcement was inconsistent, and tens of thousands of Ukrainians held other passports without consequence. But the legal uncertainty was real, and for many it was enough to pause any plans for British citizenship.

That changed in January 2026. Ukraine's parliament passed Law 4502-IX, which for the first time formally recognises multiple citizenship under Ukrainian law. The calculus for Ukrainians considering British naturalisation has shifted fundamentally.

What Law 4502-IX Actually Says

Law 4502-IX was enacted on January 16, 2026. The core provision is that Ukrainian citizens may acquire citizenship of certain other countries without automatically losing their Ukrainian citizenship. This reverses the previous position under Article 19 of the Law of Ukraine on Citizenship, which listed acquisition of foreign citizenship as a ground for loss of Ukrainian citizenship.

The recognition is not universal. The initial implementation operates through a "Permitted Five" list — designated countries whose citizenship Ukrainians may acquire while retaining their Ukrainian passport. The list is established by Cabinet of Ministers Resolution 1412 and currently includes:

1. United States
2. Canada
3. Germany
4. Poland
5. Czech Republic

The UK is not currently on this list. However, it is designated as a "strategic partner" of Ukraine and is a G7 member. Official Ukrainian government statements as of early 2026 indicate that the UK is expected to be added to the permitted list in late 2026. The expansion of the list is anticipated to follow Ukraine's EU accession negotiations and diplomatic agreements with individual countries.

What This Means for Ukrainians in the UK Right Now

The legal position for Ukrainians in the UK who are considering British naturalisation is nuanced. British naturalisation itself does not require renunciation of a previous nationality — the UK permits dual citizenship and does not require you to give up your Ukrainian passport. The constraint was always on the Ukrainian side.

Currently, because the UK is not yet on the Permitted Five list, Ukrainians who acquire British citizenship are technically in a transitional position under Ukrainian law. The new law removes the automatic-loss provision that existed before, but the permitted-list mechanism means that the recognition of your Ukrainian citizenship following British naturalisation is not yet formally guaranteed under the current resolution.

In practice, the Ukrainian government is not pursuing any policy of revoking the citizenship of Ukrainians who naturalize in the UK during this period. The direction of travel is clear — the UK's inclusion is a matter of when, not whether — but you should understand that you are acting ahead of formal recognition rather than within it.

If retaining your Ukrainian citizenship with full formal certainty matters to you, waiting until the UK is added to the list in late 2026 is the conservative position. If the timing of your Skilled Worker ILR and naturalisation eligibility means that waiting is costly — for example, if you would reach the five-year qualifying period in 2027 — the risk calculus changes.

One Critical Rule That Has Not Changed

Law 4502-IX includes a provision that applies regardless of which country's citizenship a dual national holds: on Ukrainian territory, dual nationals recognised under the law are treated exclusively as Ukrainian citizens.

This has practical consequences for anyone holding or planning to hold both a Ukrainian and a British passport:

• If you enter Ukraine on your British passport, Ukraine does not recognise you as British within its territory. The Ukrainian state treats you as a Ukrainian citizen.
• The UK government cannot provide consular assistance to a person detained or in difficulty in Ukraine if that person holds Ukrainian citizenship. This is not a limitation specific to Ukraine — it is standard international law. A country's consular protection does not extend to its nationals when they are within their own territory.
• Male dual nationals aged 18 to 60 who enter Ukraine are subject to general mobilisation obligations. Ukraine's martial law restrictions on men leaving the country apply to dual nationals the same way they apply to sole Ukrainian nationals. If you enter Ukraine, you may not be able to leave.

These consequences are not theoretical. A Ukrainian-British dual national travelling to Ukraine on a British passport, believing they have consular protection, does not. The FCO (UK Foreign, Commonwealth and Development Office) has issued clear guidance that it cannot intervene on behalf of British nationals who are also Ukrainian nationals in Ukraine.

This does not mean dual citizenship is wrong for your situation. It means the decision to hold both passports should be made with clear understanding of what the British passport cannot protect you from inside Ukraine.

Ukraine Dual Citizenship and Military Service

Ukraine's martial law, in force since February 2022, prohibits men aged 18 to 60 from leaving Ukraine without formal exemption. This restriction applies to Ukrainian nationals on Ukrainian territory. For dual nationals, the critical point is the rule discussed above: inside Ukraine, you are Ukrainian first.

A Ukrainian-British dual national who enters Ukraine:

• Is subject to mobilisation registration obligations
• Is not permitted to leave Ukraine through standard channels if aged 18-60 and male
• Cannot rely on their British passport to exit via the British embassy's emergency evacuation channels in a way that bypasses Ukrainian exit restrictions

For women and for men outside the 18-60 age range, this restriction does not apply in the same way. But it is the primary practical concern for Ukrainian men in the UK considering dual citizenship, particularly those with family remaining in Ukraine they may wish to visit.

The Path to British Naturalisation

British naturalisation requires:

• Five years of lawful residence in the UK (the five-year clock for Skilled Worker or Health and Care Worker visa holders begins from the date of switching to that visa, not from arrival in the UK)
• Indefinite Leave to Remain (ILR) must be held at the time of the naturalisation application
• Life in the UK test (pass mark: 18/24)
• B1 English language (already met if you passed the language test for your Skilled Worker visa)
• Good character requirement

The settlement clock is the critical variable. Ukrainians who arrived in 2022 on humanitarian schemes and stayed on extensions have not been accumulating qualifying residence — time on Ukraine scheme visas does not count toward the five-year ILR qualifying period. The five-year clock begins only when you switch to a standard visa route.

For a Ukrainian who switches to a Skilled Worker visa in mid-2026, the ILR eligibility date would be mid-2031. After ILR, naturalisation applications can be submitted once you have held ILR for at least one year. British citizenship would therefore be achievable by approximately 2032.

If you are waiting for the UK to be added to Ukraine's dual citizenship permitted list, the timing may align well — late 2026 is both the expected expansion date and the period when many Ukrainians will be 12-18 months into their Skilled Worker visa qualifying period.

A Summary of the Practical Position

How This Fits into Your Visa Strategy

Dual citizenship is the end-point of the settlement journey, not the starting point. For most Ukrainians in the UK right now, the immediate decisions are about the visa switch — from humanitarian leave to a Skilled Worker, Health and Care Worker, or other qualifying route — and about starting the settlement clock before the rules change further.

The May 2025 Immigration White Paper proposed raising the ILR qualifying period from five to ten years for applicants below £50,270 in earnings. That proposal has not yet been enacted, but if it is, Ukrainians who have already started their five-year qualifying period will be in a much stronger position than those who delayed.

The Ukraine to UK Visa Pathway Guide covers the dual citizenship law in detail alongside the complete pathway from humanitarian leave to Skilled Worker visa, ILR, and British naturalisation — including the settlement clock calculations, the financial planning for visa costs, and the employer sponsorship process. If your goal is a Ukrainian passport and a British one, the road starts with the right visa switch now.