This is mainly related to the state power, in other words, the distribution of state power.
I. Constitutional monarchy
The monarch is a symbol of the country and has no actual power. The Prime Minister exercises power and is responsible for the major policies of the country, such as Japanese Emperor Naruhito and Prime Minister Suga Yoshihide, then Queen Elizabeth and Prime Minister Johnson.
At present, Britain, Japan, Denmark, Spain, Cambodia and other countries implement constitutional monarchy.
Second, the responsible cabinet system.
Under the responsible cabinet system, the president is the symbol of the country and has no actual power. The prime minister is responsible for the country's major policies, such as German President Angela Merkel and President Steinmeier.
At present, Germany, Italy, Iraq, India and Singapore implement the responsible cabinet system.
Third, democracy and institutions.
In a democratic system, the president is responsible for the country's major policies, and the prime minister is mainly responsible for domestic affairs, such as Russian President Vladimir Putin and Prime Minister Mishustan.
At present, most countries in the world practice democracy and harmony.
Fourth, the separation of powers system.
The separation of powers is represented by the United States.
Fourth, the people's congress system.
Mainly socialist countries, the head of state is the chairman, such as China, Viet Nam, Laos and Cuba.
Verb (abbreviation for verb) Other information
1, the chairman system, such as North Korea.
Principalities, such as the Principality of Morocco and the Grand Duchy of Luxembourg.