Citizenship / Naturalization in Monaco

Monegasque Nationality (Naturalisation, Marriage, Descent)

Nationality is primarily jus sanguinis; naturalisation requires 10 years' residence after age 18 and is wholly discretionary, granted by the Sovereign Prince. No citizenship by investment exists.

Processing time

No statutory decision deadline published; naturalisation is discretionary and rarely granted (fewer than ~20 per year).

Validity

Permanent (citizenship).

Language requirement

French-language proficiency assessed for naturalisation.

Citizenship

Naturalisation after 10 years' residence post-age-18 (discretionary); marriage declaration after 20 years (10 if married before 1 July 2022).

Requirements

• Naturalisation: at least 10 years' ordinary residence after age 18 (waivable at the Prince's discretion)
• Renounce previous nationality
• Exempt from military service in country of origin
• French-language proficiency and integration assessed
• Marriage route: 20 years of marriage (10 years if married before 1 July 2022), continuous cohabitation, spouse remains Monegasque

Required Documents

• Proof of qualifying residence period or marriage duration required
• Civil-status and birth records required
• Evidence of renunciation of previous nationality (naturalisation) required
• Proof of exemption from military service in country of origin (naturalisation) required

Process Steps

1. 1

   Meet residence/marriage threshold

   Accumulate the required residence (10 years for naturalisation) or marriage duration (20 years, or 10 if married before 1 July 2022).

2. 2

   Submit application

   Apply to the Department of Justice with civil-status and supporting records.

3. 3

   Investigation

   Department of Justice consults authorities (including France under the 1962 convention) and reports to the Prince.

4. 4

   Sovereign decision

   The Sovereign Prince grants or declines; naturalisation is wholly discretionary with no legal right.

Official Sources

• Acquiring Monegasque nationality Official