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THE CITIZENSHIP DESK

Mexican Citizenship by Descent (Article 30 §II Constitution)

Mexico

Last verified 2026-04-26Official source

Mexican nationality by birth (jus sanguinis) is granted under Article 30 §II of the Mexican Constitution to children born abroad to at least one Mexican-by-birth parent. The 2021 constitutional amendment expanded recognition to encompass certain grandchildren of Mexican-born nationals, though practical interpretation varies. The route is administratively simple: registration at any Mexican consulate or in Mexico produces Mexican nationality (and a Mexican passport) without naturalisation, language testing, or residence requirements. Mexican passport holders enjoy visa-free access to the Schengen Area and 145+ destinations. Mexico permits dual citizenship since 1998. The route is particularly relevant for Mexican-American families in the US (estimated 30M+ Mexican-Americans), and Mexican-descended communities in Spain, France, Germany, and the rest of Latin America.

Program Details

Generation Limit
Mexican nationality by birth extends to children born abroad to at least one Mexican-citizen parent (under Article 30 §II of the Mexican Constitution). The 2021 amendment to the Constitution further recognises grandchildren of Mexican-born nationals as Mexicans by birth in some interpretations, though this is administered case-by-case. There is no formal three-generation cap for direct nationality — but practical proof requirements often limit the route to children and grandchildren of Mexican-born ancestors.
Estimated Cost
$200
$1,500
Processing Time
3–12 months
Must Live in Country
No
Court Route Available
No

Mexican consular registration of nationality is low-cost (~$30-100 in consular fees). Most cost is document gathering, Mexican certified translations (peritos traductores), and the apostille process for foreign documents. The regime is cheap relative to most descent routes globally.

Common Barriers

  • Mexican-born parent must be documented as Mexican by their own birth certificate or naturalisation certificate — citizenship by descent only flows from a Mexican by birth, not from a naturalised Mexican to grandchildren
  • For grandchild claims under the 2021 amendment, the legal interpretation varies by consulate; some apply restrictively
  • Foreign documents must be apostilled and translated by a Mexican perito traductor (court-certified translator)
  • Late-registration applications (for adults whose Mexican nationality was never registered as a child) require additional consular review
  • Mexican parent must have been alive at the time of applicant's birth

Documents Needed

  • Birth certificate of Mexican-born parent
  • Applicant's birth certificate (apostilled + translated)
  • Marriage certificate of parents (if applicable)
  • Applicant's identification (passport)
  • Two passport photos
  • Proof of address

Ancestry Records

Registro Civil + Mexican consulates abroad

EASY
www.gob.mx/sre

Mexican civil-registry records are well-maintained from the late 19th century onwards. Online lookups via Curp.gob.mx and state-level registros civiles are widely available. The most common challenge is locating the Mexican-born parent's actual birth certificate (acta de nacimiento) — the 'cartilla' or other identity documents are not sufficient.

Recent Changes

  1. Mexico amended Article 30 of the Constitution to expand recognition of Mexican nationality by birth, including some interpretations extending recognition to grandchildren of Mexican-born nationals. Implementation varies by consulate.

    source →

Programme FAQs

Do I need to live in Mexico to claim?
No. Registration of Mexican nationality by birth is administered at any Mexican consulate worldwide and the process can be completed without ever setting foot in Mexico. After registration, you receive a Mexican passport.

Sources: gob.mx

Can my children claim through me if I claim through my parent?
Yes — once you are a registered Mexican national by birth, your children born after your registration are themselves Mexican nationals by birth (jus sanguinis). For children born BEFORE your registration, the situation is more complex and depends on whether your Mexican nationality is considered to have existed at the time of their birth (it does, technically — your registration confirms a status that always existed).

Sources: gob.mx

Does Mexican nationality affect my US citizenship?
No. The US permits dual citizenship and does not require renunciation of foreign citizenships acquired by descent. Mexico has permitted dual citizenship since 1998. US tax obligations remain regardless.

Sources: travel.state.gov

What does the Schengen visa-free access mean?
Mexican nationals have been visa-free for short stays in the Schengen Area since 2024. With a Mexican passport you can spend up to 90 days in any 180-day period in Schengen without applying for a visa — useful for cross-border living strategies that combine US, Mexican, and EU presence.

Sources: gob.mx

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