Electoral democracy index during each president's tenure
Every president since 1991, ranked by how the electoral democracy index changed from their first day in office. Politare shows what happened during a tenure; it does not claim the office-holder caused it.
| # | President | In office | Total | Per year | Chart |
|---|---|---|---|---|---|
| 1 |  Ernesto Zedillo | 1 Dec 1994 – 1 Dec 2000 | +20.4 points 1994 → 2000 | +3.4 points/yr | |
| 2 | Enrique Peña Nieto | 1 Dec 2012 – 1 Dec 2018 | +2.5 points 2012 → 2018 | +0.4 points/yr | |
| 3 |  Vicente Fox | 1 Dec 2000 – 1 Dec 2006 | +0.3 points 2000 → 2006 | +0.1 points/yr | |
| 4 | Felipe Calderón | 1 Dec 2006 – 1 Dec 2012 | −2.4 points 2006 → 2012 | −0.4 points/yr | |
| 5 |  Andrés Manuel López Obrador | 1 Dec 2018 – 1 Oct 2024 | −17.9 points 2018 → 2024 | −3.0 points/yr |
Sorted by total, highest first. Every row is indexed to the last count complete before the first day in office ("from" marks a start that had to move because that count had no data, or because the period cut it); Levels are per cent changes, rates are differences in points; "per year" compounds levels and divides rates. Tenures with under 12 months, or under three observations, are left out. points, 0 to 100, V-Dem's 0 to 1 index times 100 · V-Dem Institute, V-Dem dataset v16 (v2x_polyarchy): the electoral democracy index, free and fair elections with wide suffrage and the freedoms of association and expression that make them count, as V-Dem's country experts rate them, with V-Dem's confidence interval; the 0 to 1 index times 100 · Mexico data · as of Sep 2026.