The prime minister chosen by the National Council of Armenia and was accountable for international, domestic and regional issues.

The highest executive and administrative organ of state power was the Council of Ministers.

The Council consisted of the following positions: When Armenia regained its independence in 1991, the office of prime minister was reintroduced.

Under the new 2015 constitution, the prime minister is the most powerful and influential person in Armenian politics.

In the constitutional referendum held in 2015, citizens voted in favor of transferring Armenia into a parliamentary republic.