The head of a cabinet government; the prime minister who serves as the chief executive of the Cabinet.
彼は新しい内閣総理大臣に選ばれた。
He was chosen as the new prime minister.
内閣総理大臣は国会で所信表明演説を行った。
The prime minister gave a policy-address speech in the Diet.
内閣総理大臣は閣議で最終決定を下すことがある。
The prime minister may issue final decisions at Cabinet meetings.
日本の内閣総理大臣は外国首脳と会談して外交を主導する役割も担う。
Japan's prime minister also plays a role in leading diplomacy by meeting with foreign leaders.