The primary types of governmental systems worldwide include democracies, autocracies, monarchies, and totalitarian regimes. Democracies emphasize citizen participation and free elections, whereas autocracies consolidate power through centralized authority. Monarchies can take different forms, ranging from constitutional monarchies, where the monarch's powers are limited by law, to absolute monarchies, where the monarch wields significant control. In totalitarian regimes, the state seeks to control nearly all aspects of life. Each system reflects distinct values and principles, influencing governance, civic rights, and individual freedoms within various nations.