is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second largest country by total area[7] and shares the world's longest common border with the United States to the south and north west.Canada is a parliamentary democracy and a constitutional monarchy, with Queen Elizabeth II as its head of state. It is a bilingual and multicultural country, with both English and French as official languages.