Liberal democracy index during each prime minister's tenure

Every prime minister 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.

#	Prime minister	In office	Total	Per year	Chart
1	Justin Trudeau	4 Nov 2015 – 14 Mar 2025	+0.9 points 2015 → 2024	+0.1 points/yr
2	Jean Chrétien	4 Nov 1993 – 12 Dec 2003	−0.6 points 1993 → 2003	−0.1 points/yr
3	Stephen Harper	6 Feb 2006 – 4 Nov 2015	−1.6 points 2005 → 2015	−0.2 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 · Canada data · as of Sep 2026.