How did Saddam Hussein exercise power in Iraq from 1979 to 2003?

Saddam Hussein exercised power in Iraq from 1979 to 2003 through a highly centralized, authoritarian regime characterized by the brutal suppression of dissent and the consolidation of control within his inner circle.123

Mechanisms of Control

• Security Apparatus: Saddam maintained a vast, ubiquitous network of intelligence and security agencies, such as the Special Security Service and the Iraqi Intelligence Service. These organizations, often led by members of his own Tikriti clan and family, were responsible for the arrest, torture, and murder of tens of thousands of citizens.41
• One-Party Rule: As the leader of the Ba'ath Party, Saddam transformed Iraq into a one-party state where all governing institutions were expected to adhere to party ideology. He ruthlessly purged potential rivals within the party and the military to ensure absolute loyalty.526
• Personality Cult: He cultivated an extensive personality cult to solidify his image as the nation's unchallenged leader.1

Suppression of Opposition

Saddam’s regime systematically targeted perceived enemies, including Shi'i and Kurdish populations, through military force, ethnic cleansing, and the destruction of traditional strongholds. He also groomed his sons, Uday and Qusay, for succession, ensuring they held senior positions to maintain the regime's brutal legacy.71