Mexico’s parental leave framework starts with a modest baseline: 5 days of paid paternity leave under the Federal Labour Law (Ley Federal del Trabajo, LFT). Maternity leave is more generous at 12 weeks (84 days), paid by the Mexican Social Security Institute (IMSS). For employers, the challenge is navigating the LFT requirements, coordinating with IMSS, and managing any extensions offered through collective bargaining or company policy.
This guide covers Mexican parental leave in 2026: paternity leave, maternity leave, IMSS coordination, employer obligations, and the emerging trend of extended leave.
Key takeaways
- Fathers are entitled to 5 working days of paid paternity leave under article 163 of the LFT.
- Mothers are entitled to 84 days (12 weeks) of maternity leave, paid by IMSS at the employee’s registered salary.
- Paternity leave must be taken within 30 days of the child’s birth.
- Collective bargaining agreements (contratos colectivos) frequently extend paternity leave to 10–20 days — always check the applicable agreement.
- Employers must register the leave with IMSS and coordinate the salary payment during the paternity period.
Paternity leave under the LFT
Article 163 of the Ley Federal del Trabajo provides fathers with 5 working days of paid leave following the birth of a child.
| Detail | Statutory entitlement |
|---|---|
| Duration | 5 working days |
| Pay | Full salary, paid by employer |
| Timing | Within 30 days of the child’s birth |
| Proof required | Birth certificate or IMSS registration |
The 5 days are working days — weekends and holidays are not counted. If the child is born on a Monday, the father takes Monday through Friday (5 working days).
Example: An employee’s child is born on Monday, 14 July. The father is on paternity leave from 14–18 July (5 working days), returning to work on Monday, 21 July. If the child were born on a Friday, the father would take Friday 18 July through Thursday 24 July (5 working days, excluding the weekend).
Maternity leave
Maternity leave under the LFT is substantially more generous:
| Detail | Statutory entitlement |
|---|---|
| Duration | 84 days (12 weeks) |
| Pay | Paid by IMSS (employer advances and claims reimbursement) |
| Timing | 42 days before expected delivery + 42 days after |
| Premature birth | Full 84 days from birth |
| Multiple birth | + 2 weeks for each additional child |
| Adoption | 6 weeks (for adoptive mothers) |
Article 165 of the LFT governs maternity leave. The leave is split: 42 days before the expected delivery date and 42 days after. If the child is born early, the unused pre-birth period is added to the post-birth period — the employee always gets the full 84 days from the actual birth date.
IMSS pays the maternity benefit directly to the employee based on their registered salary (salario diario integrado). The employer advances the salary during the leave and then seeks reimbursement from IMSS.
Employer obligations
Mexican employers have specific obligations under the LFT and IMSS regulations:
- Grant paternity leave. Provide 5 working days of paid leave within 30 days of the birth. Refusal is a violation of the LFT.
- Pay full salary during paternity leave. The employer bears the full cost — IMSS does not reimburse paternity leave pay.
- Register the birth with IMSS. The employer must register the child within 5 business days of the birth to activate the baby’s IMSS coverage.
- Process maternity leave through IMSS. The employer advances the salary and submits the IMSS claim for reimbursement.
- No termination during maternity leave. Article 167 of the LFT prohibits dismissal of pregnant employees from the moment of conception until 3 months after the end of maternity leave. Violation results in presumed unjust dismissal and reinstatement.
- Maintain social security contributions. IMSS contributions (employer and employee portions) continue throughout both paternity and maternity leave.
The IMSS maternity benefit
The IMSS pays the maternity benefit directly, calculated on the employee’s registered daily salary (salario diario cotizado). The benefit is paid for the full 84 days (or more in case of multiple birth).
| Detail | Value |
|---|---|
| Duration | 84 days (12 weeks) |
| Calculation | Daily salary × 84 days |
| Payment method | Direct deposit to employee’s account |
| Multiple birth | + 2 weeks per additional child |
| Adoption | 6 weeks |
The employer must ensure the employee’s salary is correctly registered with IMSS. An underreported salary means the employee receives a lower benefit — and the employer may face penalties for salary misregistration.
Collective bargaining extensions
Collective bargaining agreements (contratos colectivos) frequently extend parental leave beyond the LFT minimum:
| Sector | Typical extension |
|---|---|
| Manufacturing (maquiladora) | 10–15 days paternity |
| Automotive | 15–20 days paternity |
| Banking | 15–30 days paternity |
| Retail | 10–15 days paternity |
| Mining | 15–20 days paternity |
| Public sector (federal) | 15–30 days paternity |
These extensions are mandatory for employers covered by the applicable contratos colectivos. Failure to grant the extended period is a labour violation subject to claims through the Federal Labour Conciliation and Arbitration Board (Junta Federal de Conciliación y Arbitraje).
Common employer pitfalls
1. Requiring the father to take paternity leave within a different window
The LFT specifies within 30 days of birth. Employers cannot impose a shorter window or require the leave to be taken immediately.
2. Not registering the birth with IMSS within 5 business days
Delayed registration delays the baby’s IMSS coverage and can result in the employer being liable for medical costs that would otherwise be covered.
3. Terminating during the maternity protection period
The 3-month post-maternity protection period is strictly enforced. Even performance-based terminations during this period face a presumption of unjust dismissal.
4. Paying only the IMSS benefit during maternity leave
The LFT requires the employer to pay the difference between the IMSS benefit and the employee’s full salary if the collective bargaining agreement or company policy requires it. The IMSS benefit alone may be less than the employee’s full salary.
5. Ignoring contratos colectivos
The LFT minimum is just that — a minimum. Collective bargaining agreements are legally binding and frequently provide more generous leave.
Putting it into practice
Five steps keep Mexican parental leave compliant:
- Check the applicable contratos colectivos for the employee’s workplace — the extended paternity leave is typically in the collective agreement.
- Process the IMSS maternity benefit claim promptly — the employer must advance the salary and seek reimbursement.
- Register the child’s birth with IMSS within 5 business days to activate coverage.
- Track the maternity protection period (3 months post-leave) and document all employment decisions during that window.
- Coordinate with the employee on the return-to-work date, accounting for any extended leave from collective bargaining.
Leave Balance tracks the full parental leave lifecycle for Mexican teams — from paternity leave through maternity leave, IMSS coordination, contratos colectivos compliance, and return-to-work planning. Built for Mexican labour law, designed for teams that want to stay compliant without the paperwork burden.
Sources
- Ley Federal del Trabajo, articles 163–170 (primary source)
- IMSS — Prestaciones por maternidad
- Ley del Seguro Social, articles 101–108
Last updated: 26 July 2026. This article is general guidance, not legal advice. Collective bargaining agreements and IMSS rules change — confirm current entitlements with the applicable contratos colectivos and IMSS.