Mexico tax: key insights
- Tax year & currency
- 2026 · MXN. calendar year 2026 (UMA 2026 applies from 1 Feb 2026)
- Supported coverage
- Supported researched salary scenario · monthly payroll unless stated
- Scenario detail 1
- Only supplied input choices with complete calculation rules are supported; other choices are refused, never silently ignored.
- Scenario detail 2
- Thirty-day ordinary monthly payroll using the explicitly supplied rounded factor 1.0493. Annual benefit payments and December assessment are excluded.
- Scenario detail 3
- Subsidio amount: IDC prints MXN 536.22, but 15.02% × 3,566.22 = 535.65. The calculator uses the formula.
- Scenario detail 4
- The SBC integration factor varies with employer benefits (extra aguinaldo days, food vouchers, etc.). The default 1.0493 is the legal minimum.
- Scenario detail 5
- The rule that the employer pays the employee IMSS quota for minimum-wage workers (LSS art. 36) comes from the statute and was not re-fetched in this pass.
- Scenario detail 6
- The annual ISR adjustment (Art. 97) may change December withholding. It is not modelled.
Mexico salary & tax FAQs
Sources & accuracy notes
Global Tax Calculator editorial · Content checked against the current model on 7 November 2026. Source publication dates and legal effective dates are separate. No licensed professional review is claimed.
- INEGI – UMA 2026 press release
- DOF – decreto subsidio para el empleo (SIDOF)
- IDC – Tablas y tarifas ISR 2026
- IDC – Actualización del subsidio al empleo 2026
- IDC – Factores para cuotas y aportaciones 2026
- SATfácil – Tabla ISR 2026
Open issues in the supplied research
- Subsidio amount: IDC prints MXN 536.22, but 15.02% × 3,566.22 = 535.65. The calculator uses the formula.
- The SBC integration factor varies with employer benefits (extra aguinaldo days, food vouchers, etc.). The default 1.0493 is the legal minimum.
- The rule that the employer pays the employee IMSS quota for minimum-wage workers (LSS art. 36) comes from the statute and was not re-fetched in this pass.
- The annual ISR adjustment (Art. 97) may change December withholding. It is not modelled.
These are retained research concerns, not newly verified conclusions. Unsupported scenarios remain excluded even where a bounded estimate is enabled.
Tax residence, additional jobs, benefits and personal reliefs can change your liability. Consult a qualified adviser for decisions that depend on your actual tax position.