The Constitution Thailand Never Wrote: 'Sākdinā' Beyond Every Charter
Despite twenty written charters and thirteen coups, Thailand is governed by an unwritten "Sākdinā system"—a feudal hierarchy of patronage and deference that consistently overrides constitutional supremacy. This parallel order, which fuses the palace, military, and judiciary, was long stabilized by the moral aura of Rama IX but now stands legally and ideologically exposed under Rama X. As a new generation explicitly challenges these invisible structures, the Thai establishment faces a definitive choice: adapt to genuine constitutional democracy or continue using legal coercion to defend a fading social code.
Prem Singh Gill | March 22, 2026
Twenty constitutions have been promulgated, amended, or discarded since 1932. Thirteen successful coups have punctuated the record. Yet the operative constitution of Thailand—the one that actually allocates power, vetoes elected governments, and polices speech—has never been inscribed in any charter: an ancient hierarchy of ranked patronage and absolute deference that continues to override constitutional supremacy.
How does the “Sākdinā system” of deference enable the Thai military to exercise extra-constitutional power in alliance with the monarchy—despite 20 constitutions—while Rama IX’s sacralised legacy now leaves Rama X legally and ideologically exposed to youth-led demands for monarchy reform?
This is the structural contradiction animating Thai politics since the 1932 revolution. The “Sākdinā system”—that Ayutthaya-era framework of quantifiable dignity marks, clientelist patronage, and hierarchical loyalty—never vanished when absolute monarchy ended. It was simply transplanted into the hybrid regime, fusing palace, barracks, bureaucracy, judiciary, and even educational institutions into a parallel order that no written constitution has displaced. The result is a distinctive form of authoritarian constitutionalism in which formal democratic institutions coexist with an unwritten feudal logic that licenses military guardianship, erodes rule-of-law norms, and shields royal authority from genuine accountability.

Sākdinā's Grip on Every Thai Institution
The “Sākdinā system” was never European feudalism transposed; it was a uniquely Thai technology of ranked proximity to power. Every subject received a numerical “dignity mark” (sakdina) determining clients commanded, corvée exemptions, and proximity to the apex. When the 1932 revolution abolished absolute monarchy, this cultural-political software was uploaded into the new constitutional hardware. Its endurance stems precisely from its unwritten character: flexible, extra-constitutional, and embedded across sectors.
Duncan McCargo’s “network monarchy” remains the definitive political-theory map. The palace does not rule directly; it governs through fluid patronage alliances in which senior military officers, bureaucratic elites, and royalist judges act as both enforcers and beneficiaries. Prem Tinsulanond exemplified the node: a Privy Council president who could orchestrate coups while claiming constitutional loyalty. When Thaksin Shinawatra’s elected governments disrupted this clientelist equilibrium—through independent military reshuffles and populist redistribution—the “Sākdinā system” activated its ultimate safeguard: extra-constitutional intervention. The 2006 and 2014 coups were not aberrations; they were restorations of hierarchical order under the guise of protecting national security and the throne.
Tom Ginsburg’s analysis of Thailand’s “post-political constitution” and authoritarian constitutionalism expose the legal architecture enabling this. The 1997 charter’s guardian institutions—independent judiciary, anti-corruption commissions, appointed senate—were ostensibly neutral referees designed to contain popular sovereignty. In practice they became veto points for the unelected network. The 2017 constitution codified military safeguards: junta-appointed senators, explicit national-security clauses, and statutory provisions that constitutionalise extra-constitutional power. Article 112 (lèse-majesté) functions as the apex prosecutorial weapon: any challenge to the hierarchical summit is criminalised as an assault on the state itself. No constitution has repealed it because none has been permitted to touch the unwritten code.
Crucially, the “Sākdinā system” is not confined to military-monarchy relations. It permeates the entire political system, legal system, governmental bureaucracies, and educational sectors—deeply rooted as structural patronage rather than mere cultural residue. Within royal family networks, patronage projects, royalist curricula, and bureaucratic appointments continue to influence public discourse to the maximum extent, reproducing deference from schoolrooms (via mandatory wai khru rituals and royal-history mandates) to courtrooms (harsher defamation penalties for officials and judges) to ministries (clientelist promotion ladders). Despite Thailand’s repeated attempts to project international soft power—through human-rights diplomacy, tourism branding, and global economic integration—the “Sākdinā system” renders genuine convergence unlikely. Prosecutorial overreach, judicial vetoes, and rule-of-law erosion tied to the hierarchy consistently undermine Thailand’s international reputation, turning aspirational constitutionalism into legal bricolage.

Dhammarāja and Thai Constitutionalism
King Bhumibol Adulyadej did not originate the “Sākdinā system”, but he fused it with Buddhist kingship to create an ideological hegemony that rendered it nearly impregnable. Benjamin Schonthal’s comparative work on Buddhist constitutionalism across Asia shows how Thai regimes have elevated the monarch as dhammarāja—a righteous ruler whose moral authority supersedes statutory texts. Successive constitutions since 1932 enshrine the king as “upholder of religion”, yet extra-constitutional performance mattered more: Rama IX’s mediation in the 1992 Black May crisis and tacit blessing of the 2006 coup were framed as dhammic interventions above the fray. Constitutional supremacy became servant; sacralised royal prestige became master.
Thongchai Winichakul’s diagnosis of hyper-royalism deepens the political-theory insight. During Rama IX’s reign, royalist historiography, state rituals, and media sacralisation transformed the monarchy into an ideological fortress. Deference ceased to be tradition; it became patriotic piety and national identity. The military assumed the role of secular guardian—protectors of the throne, enforcers of hierarchical stability. Paul Handley’s documented palace-military symbiosis and Prayuth Chan-ocha’s invocation of Rama IX’s legacy in 2014 illustrate the fusion. This ideological lock-in delivered surface stability: while neighbours oscillated between dictatorship and chaos, Thailand projected gliding continuity. The cost was constitutional afterlife—every charter provisional, every election conditional on preserving the “Sākdinā system”.
King Vajiralongkorn inherited the throne in 2016 but not the aura. The generational rupture is now structural. Rama IX’s ascetic benevolence has no counterpart in his son’s more personal public persona. The 2020–2021 youth protests—tens of thousands demanding monarchy reform, revocation of Article 112, and restoration of constitutional supremacy—marked the first sustained contestation of the palace as a political actor subject to popular sovereignty rather than automatic reverence.
The response—mass arrests, revived lèse-majesté prosecutions, cyber-surveillance statutes, and judicial overreach—reveals the “Sākdinā system” at its limits. Without Rama IX’s accumulated moral capital, the military-monarchy alliance appears less dhammic guardianship and more entrenched privilege. Protest leaders captured the core: “We are not against the institution; we are against the system that places it above the law.” That system—the “Sākdinā system”—is now visible and therefore contestable across political, legal, governmental, and educational domains.
The irony is acute. The very hierarchical patronage that stabilised Thailand for decades by subordinating popular sovereignty to royal-military guardianship is now destabilising Rama X’s reign. Every attempt to reassert control—through statutory safeguards, prosecutorial weapons, or bureaucratic loyalty tests—only confirms the erosion of constitutional supremacy. Thailand’s international aspirations notwithstanding, the “Sākdinā system” continues to block convergence with global rule-of-law standards.
The next charter, whenever it emerges, will confront the same test as its twenty predecessors: can it finally subordinate the “Sākdinā system” to constitutional supremacy and popular sovereignty, or will unwritten deference once again rewrite the text from the shadows? The youth have delivered their verdict. They refuse the old patronage order. The monarchy and military now face a choice: adapt to genuine constitutional democracy or double down on a feudal code whose invisible ink is finally fading under generational and international scrutiny.
The parchment has been rewritten twenty times. The real question is whether Thailand can finally erase the “Sākdinā system”—or remain trapped in authoritarian constitutional afterlife while a new generation demands a genuine constitutional life.
Prem Singh Gill is a fellow at the Royal Asiatic Society of Great Britain and a scholar at Thailand's public universities
Banner: King Prajadhipok Signs the Constitution of Siam 1932. Wikipedia Commons