Presidential system is a subclass of republic. Presidential system is a form of government. Indonesia is a presidential system. United States of America basices form of government presidential system. Brazil basices form of government presidential system. Uruguay basices form of government presidential system.

Belarus basices form of government presidential system. Kazakhstan basices form of government presidential system. Uzbekistan basices form of government presidential system. Venezuela basices form of government presidential system. Ecuador basices form of government presidential system. Yemen basices form of government presidential system. Turkmenistan basices form of government presidential system.