Regulatory quality during each president's tenure

Every president since 1991, ranked by how the regulatory quality 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	Denis Sassou Nguesso	25 Oct 1997 – now from 1998	+7.1 points 1998 → 2025	+0.3 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, higher is better · World Bank, Worldwide Governance Indicators (GOV_WGI_RQ.SC): perceptions of the government's ability to make and carry out sound rules that let private business form and compete, a score from 0 to 100 with its 90 % interval · Republic of the Congo data · as of Aug 2026.