BRIDGES · Statuses, passports, travel

Denaturalisation

Loss of citizenship

Loss of citizenship (denaturalisation) — the forced cancellation by a state of previously granted citizenship on established grounds.

deprivationof citizenship
groundsby law
honestythe best protection
  • 4 min read
  • Updated: July 2026
  • BRIDGES Research Team
In brief — 30 seconds
What it is
Denaturalisation — the compulsory deprivation of citizenship previously acquired
Who applies it
The state, on grounds set by law
For what
Fraud when acquiring it, a threat to security, serious breaches
How to avoid it
Acquiring citizenship honestly and transparently
Keep in mind
The risk is higher with concealed facts and forgery

In plain words

Denaturalisation is the compulsory deprivation of citizenship a person previously acquired (usually through naturalisation rather than by birth). It is an exceptional measure: the state revokes citizenship on grounds strictly set by law, not at will. In most countries governed by the rule of law such cases are rare and surrounded by serious procedures and a right of appeal.

Typical grounds are acquiring citizenship by deception (forged documents, concealment of important facts, false information about origin or background) and, in some countries, a threat to national security, terrorism or serious crimes. The key risk for investment programmes is precisely the first: if it emerges that a passport was obtained on the basis of false information or a concealed criminal record, it may be revoked.

Hence the practical conclusion: the best protection against denaturalisation is acquiring citizenship with impeccable honesty and transparency. That is precisely why serious programmes carry out in-depth due diligence, and competent consultants insist on full disclosure and a clean file. Concealed facts are a time bomb. We build the process so that the status obtained is durable and cannot be challenged.

Where the risk must be considered

Acquiring citizenship by investment
Naturalisation in any country
Assessing the cleanness of the applicant’s file
Going through due diligence
The durability of the status obtained
Protection against citizenship being challenged

What matters about denaturalisation

What it is
  • Deprivation of citizenship
  • An exceptional measure
  • By law, not at will
Grounds
  • Fraud in acquisition
  • Concealed facts
  • A threat to security
Risk
  • False information
  • A concealed criminal record
  • Forged documents
Protection
  • Honest acquisition
  • Full disclosure
  • A clean file

How to secure the status

  1. 01Full disclosure of the facts
  2. 02A clean and accurate file
  3. 03In-depth due diligence
  4. 04Transparent acquisition
  5. 05A durable status

What you need to know

  • Denaturalisation is deprivation of citizenship previously acquired
  • It is applied by the state on grounds set by law
  • A common reason is fraud and concealment of facts when acquiring it
  • In countries governed by the rule of law it is a rare measure with a right of appeal
  • The best protection is honest and transparent acquisition

Common mistakes

  • Concealing facts about your background when acquiring citizenship
  • Using forged documents to secure approval
  • Underestimating the depth of the due diligence check
  • Trusting schemes that “get round” the check
  • Assuming a passport obtained by deception is secure

What this means for a BRIDGES client

We build the acquisition of citizenship so that it is durable and protected against challenge: full disclosure, a clean and accurate file, honestly passing due diligence. Concealed facts are a time bomb that leads to the risk of losing the status. Our approach is transparency, which gives a passport that will stay with you.

Frequently asked questions

01 /What is denaturalisation?

The compulsory deprivation of citizenship a person previously acquired (usually through naturalisation). It is an exceptional state measure on grounds strictly set by law.

02 /For what can citizenship be taken away?

Most often for deception when acquiring it: forged documents, concealment of important facts, false information. In some countries, for a threat to security or serious crimes.

03 /How often does it happen?

In countries governed by the rule of law, rarely: the procedure is serious, with a right of appeal. But the risk is real if citizenship was obtained on the basis of false information.

04 /How can you protect yourself from denaturalisation?

Acquire citizenship honestly and transparently: disclose the facts in full, prepare a clean and accurate file and go through due diligence without any attempt to hide anything.

05 /Is it dangerous to conceal a contentious episode?

Yes, it is the main risk. If the concealment comes to light later, the passport may be revoked. Contentious facts are better disclosed honestly and explained in the file.

06 /Does this concern citizenship by investment?

Yes. That is exactly why serious programmes carry out an in-depth check, and we insist on full disclosure — so that the status obtained is durable.

See also

Read next

Klara Rihter
AuthorKlara RihterHead of Compliance and Due Diligence, BRIDGES
Dmitry Nagy
Reviewed byDmitry NagyInternational Tax Consultant, BRIDGES
Updated
July 2026
Version
1.0
Scheduled review
January 2027
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