The government of Canada (gouvernement du Canada) is the body responsible for the federal administration of Canada. A constitutional monarchy, the Crown assumes distinct roles: the executive, as the Crown-in-Council; the legislative, as the Crown-in-Parliament; and the judicial, as the Crown-on-the-Bench. Three institutions—the Privy Council (conventionally, the Cabinet), the Parliament, and the judiciary, respectively—exercise the powers of the Crown.
The term Government of Canada (Gouvernement du Canada) refers specifically to the executive, which includes ministers of the Crown (together in the Cabinet) and the federal civil service (whom the Cabinet direct); what is formally known as His Majesty's Government (Gouvernement de Sa Majesté) and is corporately branded as the Government of Canada. There are over 100 departments and agencies, as well as over 300,000 persons employed in the Government of Canada. These institutions carry out the programs and enforce the laws established by the Parliament of Canada.
The federal government's organization and structure was established at Confederation, through the Constitution Act, 1867, wherein the Canadian Crown acts as the core, or "the most basic building block", of its Westminster-style parliamentary democracy. The monarch, , is personally represented by a governor general (currently Mary Simon) and is head of state. A prime minister (currently Justin Trudeau) is the head of government, who is invited by the Crown to form a government after securing the confidence of the House of Commons, which is typically determined through the election of enough members of a single political party in a federal election to provide a majority of seats in Parliament, forming a governing party. Further elements of governance are outlined in the rest of the Canadian constitution, which includes written statutes in addition to court rulings and unwritten conventions developed over centuries.
Constitutionally, the King's Privy Council for Canada is the body that advises the sovereign or their representative on the exercise of executive power.