Presidential and Parliamentary systems are the two possible forms of Government in a democracy. In England there is the Parliamentary system, and it has worked so well over the years that it has become a model for a number of other countries. In the U.S.A., on the other hand, there is the Presidential form of executive, and it has been working quite successfully in that country. These two forms of government have their own distinctive characteristics, and their own respective merits and demerits. A parliamentary system is a system of government in which the ministers of the executive branch get their democratic legitimacy from the legislature and are accountable to that body, such that the executive and legislative branches are intertwined. In such a system, the head of government acts as de facto chief executive and chief legislator. Parliamentary systems have no clear-cut separation of powers between the executive and legislative branches, which leads to a different set of checks and balances than are found in presidential systems .Parliamentary systems usually have a clear differentiation between the head of government and the head of state, with the former being the prime minister or premier, and the latter often being a figurehead, either a president (elected by popular vote or by the parliament) or a hereditary monarch (often in a constitutional monarchy).
A parliamentary system is a system of democratic governance of a state in which the executive branch derives its democratic legitimacy from, and is held accountable to, the legislature (parliament); the executive and legislative branches are thus interconnected. In a parliamentary system, the head of state is normally a different person from thehead of government. This is in contrast to a presidential system in a democracy, where the head of state often is also the head of government, and most importantly: the executive branch does not derive its democratic...