Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
The PRI, or Institutional Revolutionary Party, is a political party that held power in Mexico for over 70 years until the year 2000. It was known for its centralized authority and control over various aspects of Mexican society.
Related terms
PAN: A political party that won the presidency in Mexico in the year 2000, ending the PRI's long-standing rule.
President Ernesto Zedillo: The last president from the PRI before their defeat in 2000.
Democratic Transition: Refers to the period when Mexico shifted from one-party rule under the PRI to a multi-party democracy.