The National Electoral Institute (INE) is the autonomous body responsible for organizing and conducting federal elections in Mexico, including the election of the President, members of Congress, and senators.

The INE's Executive Council consists of 11 members who are appointed by the Chamber of Deputies for a term of 9 years.

Mexico is divided into 300 electoral districts, each of which elects one member of the Chamber of Deputies.

The minimum age requirement for voting in Mexico is 18 years.

The National Electoral Roll is the official list of registered voters in Mexico.

In Mexico, voter registration is automatic at age 18. Citizens are automatically added to the National Electoral Roll when they turn 18.

The Electoral Tribunal of the Federal Judiciary (TEPJF) is the highest electoral court in Mexico. It is responsible for resolving electoral disputes and ensuring the legality of the electoral process.

The Institutional Revolutionary Party (PRI) has won the most presidential elections in Mexico since 1997, with 7 victories.

Andrés Manuel López Obrador is the current President of Mexico, having won the 2018 presidential election.

Morena won the most seats in the Chamber of Deputies in the 2021 midterm elections, with 253 seats.

Morena also won the most seats in the Senate in the 2021 midterm elections, with 61 seats.

Mexico uses a mixed-member proportional representation system, which combines elements of both first-past-the-post and proportional representation systems.

Members of the Chamber of Deputies are elected from single-member districts.

Members of the Senate are elected from multi-member districts.

The President of Mexico is elected using a first-past-the-post system, in which the candidate who receives the most votes wins.