Present-day Thailand has a more stable and transparent political system than in the past, when frequent changes in government, often by military intervention, seemed to be the leitmotif of the Thai polity. The last coup in 1991, followed by events in May 1992, where security officers killed at least 50 unarmed civilians during street confrontations in Bangkok, shocked the Thai political system and stimulated a marked change in the kingdom's democratic consolidation. Since then, not only have the armed forces kept out of the operation of the civilian government, but there have also been five successful elections with peaceful transitions. In addition, Thailand's political party system has grown increasing stable over time. In January 2001, Thaksin Shinawatra's Thai Rak Thai (TRT) party almost won an absolute majority in the first general election under the new charter, and subsequently absorbed a variety of factions and parties into its fold.

During the February 2005 General Elections, TRT established the first-ever popularly elected single party administration as it convincingly defeated four other parties. The 2005 elections were a watershed in Thailand's democracy, as TRT's victory ensured the Prime Minister's hegemonic control over parliament and other key state institutions without the need for coalition partners, legitimizing his seeming insolence towards democratic consultation. Whether one labels his regime as “semi-authoritarian”, “soft-authoritarian”, “diminished democracy”, or simply “delegated democracy”, there is little doubt that Thaksin's administration has shown greater authoritarian tendencies in comparison to his immediate predecessors. Thaksin's tenure has been characterized by frequent violations of Thailand's democratic institutions, so much so that his administration has been criticized as close to failing to meet conventional minimum standards for a true democracy. Levitsky and Way coined the term “competitive authoritarianism”, which is the most apt term to describe Thaksin's type of regime. In this type of regime, violations of democratic criteria are both frequent and serious enough to give the incumbent unfair advantage over the opposition.