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About elections in Mexico
I'm Bartłomiej Paruzel, and I built ElectioMap to map national elections around the world. This is the Mexico hub on ElectioMap — it brings together the 8 Mexico elections I cover, each with the official results, vote and turnout shares to two decimal places, and an interactive map you can explore region by region.
Mexico (the United Mexican States) is a federal presidential republic of 32 states and one of the most populous democracies in the world, with more than 90 million registered voters. Under the 1917 Constitution, executive power is held by a President who is both head of state and head of government, directly elected for a single six-year term — the sexenio — and barred from re-election for life, a principle that dates from the Revolution. Legislative power rests with a bicameral Congress of the Union: the Chamber of Deputies (Cámara de Diputados) of 500 members and the Senate (Senado de la República) of 128 members. The states retain their own constitutions, governors and legislatures.
The president is chosen by a simple national plurality, with no run-off and no electoral college, so the winner is whoever leads the popular vote. Deputies serve three-year terms and senators six-year terms; both chambers are elected by a mixed system that combines first-past-the-post districts with closed-list proportional representation. The 500 deputies comprise 300 elected in single-member districts and 200 by proportional representation in five regional constituencies. The 128 senators comprise 96 elected by state — two seats to the leading list and one "first minority" seat to the runner-up in each of the 32 entities — plus 32 by national proportional representation. Elections are run by the National Electoral Institute (INE), an autonomous authority whose creation was the centrepiece of Mexico's democratic transition, with disputes resolved by the Electoral Tribunal of the Federal Judiciary.
For most of the twentieth century Mexico was governed by the hegemonic Institutional Revolutionary Party (PRI), until the National Action Party (PAN) won the presidency in 2000. The period covered here, however, is dominated by a third force. In the 2015 midterm the PRI clung to a legislative majority while a new left-nationalist movement, Morena, founded by Andrés Manuel López Obrador, made its debut. In 2018 López Obrador won the presidency by a landslide and Morena swept Congress, launching what he called the "Fourth Transformation". In 2024 his protégée Claudia Sheinbaum became Mexico's first woman president by an even wider margin, and the Morena coalition approached the two-thirds majorities in both chambers needed to rewrite the constitution. The defining issues of the era have been corruption, record levels of organised-crime violence, the militarisation of public security, ambitious social-transfer programmes and the relationship with the United States.
Official results are certified by the INE and published at ine.mx. This page collects Mexico's federal election results since 2015 — the presidential elections of 2018 and 2024, every Chamber of Deputies election (including the 2015 and 2021 midterms) and the Senate elections of 2018 and 2024 — with interactive maps of the vote by state where official statewide data allow.
Each election listed here has its own page with the full breakdown by party or candidate and an interactive map of the result.
Every figure on ElectioMap is taken from the official electoral authority for Mexico — the national election commission or equivalent body that certifies the count. I enter vote and turnout percentages exactly as published, to two decimal places and without rounding, and show seat totals wherever a chamber is being filled. When ElectioMap covers an election live, the page updates automatically as official figures are released. For the full sourcing and update policy, see Data & Methodology and the Editorial Policy.
The most recent Mexico election covered on ElectioMap is the Presidential Election 2024, held Jun 2, 2024. Its page has the full result with vote shares and a map by region.
All Mexico figures come from the official electoral authority that certifies the count, entered exactly as published to two decimal places. See the Data & Methodology page for the full sourcing and update policy.
Yes. Every Mexico election page on ElectioMap includes an interactive map — click a region to see how each party or candidate performed there.