Mexico (MX)
Mexico is one of the world's most important expat destinations, especially for US and Canadian retirees, remote workers, entrepreneurs, families and lifestyle migrants.
Social Security in Mexico
Benefits, contributions, and how the system works for expats.
Mexico social security is mainly tied to formal employment through IMSS, with retirement savings through AFORE accounts and housing contributions through INFONAVIT for eligible workers. Foreign employees of Mexican employers are commonly registered, but remote workers paid offshore, retirees and freelancers may sit outside the system unless they voluntarily register where allowed. Expats should not treat immigration residence as social-security coverage. In 2026, the important audit points are NSS, CURP, RFC, employer registration, salary base, weeks quoted, AFORE file completion, beneficiaries, assigned clinic and whether private insurance fills the gaps. A foreigner can be perfectly legal with INM and still have no IMSS medical access, no AFORE savings record and no INFONAVIT subaccount; each system must be checked separately.
Numero de Seguridad Social
NSS
Employees usually obtain or provide an NSS during employer onboarding. It can be requested through IMSS channels with CURP and personal data. Confirm your NSS, employer registration, base salary and assigned clinic on payroll records. If you change employer, verify the new registration month and contribution continuity.
- IMSS medical services
- Payroll social-security contributions
- AFORE retirement account
- INFONAVIT housing account
- Sickness and maternity benefits
- Work-risk benefits
- Disability and survivor benefits
- Employment history and weeks quoted
- Some banking or employment KYC checks
Benefits & Support Payments
IMSS medical coverage
Seguro de enfermedades y maternidad
Public medical care through IMSS clinics and hospitals for insured workers and eligible dependants.
Registered employee or qualifying insured person with active contributions and eligible dependants where registered.
Employer registers employee; worker confirms NSS, clinic assignment and dependants through IMSS channels.
Sickness cash benefit
Subsidio por enfermedad
Income replacement when certified illness prevents work, subject to contribution conditions and IMSS medical certification.
Insured workers meeting contribution and certification requirements.
Obtain IMSS incapacity certificate and coordinate claim/payment with employer and IMSS.
Maternity benefit
Subsidio por maternidad
Medical and cash benefits for eligible insured pregnant workers.
Insured worker meeting contribution and medical-certification conditions.
Coordinate prenatal care/certificates with IMSS and HR; submit required bank and identity details.
Work-risk coverage
Riesgos de trabajo
Medical and cash benefits for work-related accidents or occupational illness.
Registered employees with qualifying work-risk event and proper reporting.
Report accident immediately to employer and IMSS; preserve incident evidence, witness details and medical records.
Disability and life benefits
Invalidez y vida
Benefits for qualifying disability or survivor claims.
Insured person or survivors meeting IMSS legal conditions.
Submit medical, employment, identity, relationship and bank documents through IMSS.
AFORE retirement savings
Cuenta individual AFORE
Individual retirement savings account funded through social-security payroll contributions and investment returns.
Workers contributing through IMSS/ISSSTE or eligible registrants.
Identify assigned AFORE, register/complete file, update beneficiaries and monitor statements.
INFONAVIT housing subaccount
Subcuenta de vivienda
Employer housing contributions linked to eligible workers, potentially usable for housing credit or retirement balance under rules.
Formal employees with INFONAVIT contributions.
Track account through INFONAVIT/AFORE channels; consult before using credit as a foreign resident.
Unemployment or withdrawal-related AFORE options
Retiro parcial por desempleo
Limited withdrawals from retirement savings may be available in unemployment or specific circumstances.
Workers meeting AFORE/IMSS conditions.
Apply through AFORE/IMSS channels with identity and unemployment evidence.
Contribution Overview
Payroll social-security contributions include employer, employee and government components across sickness/maternity, disability/life, retirement, unemployment/old-age and housing-related concepts. IMSS contribution bases, UMA-linked caps and INFONAVIT/AFORE rules change by law and year. Employers handle withholding, but employees should review payslips and CFDI payroll receipts. If your declared IMSS salary is lower than your real compensation, later sickness, disability, maternity, work-risk and pension outcomes can be lower than expected.
International Social Security Agreements
Mexico has social-security coordination agreements with some countries, but coverage is not as broad as EU coordination. US, Canadian, European and other expats should verify whether their home-country pension and Mexican contributions coordinate, whether posted-worker certificates apply, and how offshore payroll affects obligations. Do not assume Mexican IMSS/AFORE contributions combine with a foreign pension unless the relevant authority confirms it in writing.
For expats, the biggest mistake is assuming "I have a resident card" means "I have Mexican social security." It does not. Check your NSS, employer registration, AFORE, INFONAVIT and clinic assignment separately. If you are self-employed, retired or paid by a foreign company, get advice on voluntary IMSS, private insurance and pension planning before a medical or retirement event forces the question. At each job change, download contribution evidence, final CFDI payroll receipts and AFORE statements before company email access disappears. For families, verify whether spouse and children are registered beneficiaries or need private coverage. For people leaving Mexico, keep a Mexican phone number, email, bank account and trusted contact until IMSS/AFORE/INFONAVIT questions are fully resolved.
Social Security
Unlock the complete Social Security guide for Mexico — including every detail, document, tip and link you need.
Become a SupporterSupport the guide on Ko-fi · Unlocks every premium section, everywhere