The Institutional Revolutionary Party is a Mexican political party founded in 1929 that held power uninterruptedly in the country for 71 years from 1929 to 2000, first as the National Revolutionary Party, then as the Party of the Mexican Revolution. Though it is a full member of the Socialist International, the PRI is not considered a social democratic party in the traditional sense; its modern policies have been characterized as centre-right, and since the 1980s it has embraced free-market capi