The government in Southeast Asia is parliamentary in nature is Singapore
What is parliamentary form of government?
Southeast Asia's parliamentary system of government is modeled after the democratic system in Singapore, where the party (or coalition of parties) with the largest representation in the legislature (or parliament) forms the government and its leader assumes the office of prime minister or chancellor.
A parliamentary system of government, often known as parliamentary democracy, is one in which the head of state obtains democratic legitimacy by commanding the support of the legislative, usually a parliament, to whom they are answerable.