It is the emperor also known as Mikado
the emperor
Japan has a constitutional monarchy, where the Emperor is the ceremonial head of state and the Prime Minister is the head of government. The Emperor's role is largely symbolic and ceremonial, while the government is run by the elected representatives in the Parliament, known as the National Diet.
Japan's government is a constitutional monarchy, but the power of the emperor is limited to ceremonial and diplomatic duties. The people with the most power are the Prime Minister and those elected to serve in the bicameral legislature.
president
The leader of Japan right now, is Shinzō Abe.
Japan is a constitutional monarchy .
A government headed by one leader is typically referred to as a monarchy or a dictatorship, depending on the nature of the leader's authority. In a monarchy, the leader, often a king or queen, may inherit power and may have varying degrees of authority, from symbolic to absolute. In a dictatorship, a single ruler wields significant control, often without democratic processes, and may impose their will through force or propaganda. Both systems concentrate power in the hands of one individual.
Prime Minister, but symbolic power still belongs to the imperial family
Benito Mussolini and Adolf Hitler
Alexander Kerensky was a leader of the provisional government that assumed power after the March 1917 revolution.
The leader of the party in power in the Federal government is called the Prime Minister of Australia. The leader of the party in power in the Territory government is called the Chief Minister of the Australian Capital Territory.
An autocracy or a dictatorship