political system; political institution; regime
Refers to the overall structure, rules, and institutions that govern a country or organization.
Japan's political system is a parliamentary cabinet system.
The introduction of a new political system is being discussed.
政治体制 often emphasizes the actual power structure or regime in practice, while 政治制度 focuses more on the formal institutional framework.
Compound of 政治 (politics) and 制度 (system, institution).