Liberal democracy index during each president's tenure

Every president since 1991, ranked by how the liberal 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	+22.1 points 1994 → 2000	+3.7 points/yr
2	Vicente Fox	1 Dec 2000 – 1 Dec 2006	−0.3 points 2000 → 2006	−0.1 points/yr
3	Enrique Peña Nieto	1 Dec 2012 – 1 Dec 2018	−0.5 points 2012 → 2018	−0.1 points/yr
4	Felipe Calderón	1 Dec 2006 – 1 Dec 2012	−2.1 points 2006 → 2012	−0.3 points/yr
5	Andrés Manuel López Obrador	1 Dec 2018 – 1 Oct 2024	−20.6 points 2018 → 2024	−3.4 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_libdem): the liberal democracy index, electoral democracy plus the checks on the executive and the rights of the person, 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.