Structure of the Mexican Government: President, Congress, Judiciary
Mexico is a federal presidential republic under the 1917 Constitution. Power divides among three branches:
Executive: President of the United Mexican States
- Term: 6 years (sexenio), no re-election (absolute).
- Requirements: Born Mexican, ≥35, full political rights, not former president.
- Powers: Head of state/government; commander-in-chief; foreign policy; appoints cabinet (secretarios), AG, ambassadors, Supreme Court justices (Senate confirms); veto (override: 2/3 Congress); issues reglamentos (regulations).
- Current: Claudia Sheinbaum (2024–2030, Morena).
Legislative: Congress of the Union (Bicameral)
| Chamber | Members | Term | Selection | Key Powers |
| Chamber of Deputies (Lower) | 500 | 3 years | 300 FPTP districts + 200 party-list PR | Budget origination, impeachment initiation |
| Senate (Upper) | 128 | 6 years | 3 per state (2 majority, 1 minority) + 32 national PR | Treaty ratification, appointments confirmation, impeachment trial |
- No immediate re-election for legislators (since 2018 reform).
- Permanent Commission (37 deputies/senators) meets during recesses.
Judiciary: Federal Judiciary Power
- Supreme Court (SCJN): 11 ministers, 15-year terms, appointed by President, confirmed by Senate. Constitutional review, controversies between powers/states, amparo appeals.
- Electoral Tribunal (TEPJF): Specialized court for election disputes.
- Collegiate & Unitary Circuit Courts: Appeals, amparo (constitutional protection).
- District Courts: Federal first instance.
- Judicial Council (CJF): Administration, discipline, career.
Federalism & Checks
- 32 states (31 + Mexico City) – own constitutions, governors, congresses.
- Municipalities (~2,400) – elected presidentes municipales.
- Autonomous bodies: INE (elections), Banxico (central bank), CNDH (human rights), INAI (transparency), Fiscalía (prosecutor).