The Leader of the Opposition is a title traditionally held by the leader of the largest party not in government in a Westminster System of parliamentary government. The Leader of the Opposition is invariably seen as the alternative Prime Minister to the present incumbent, and heads a rival alternative government known as the Shadow Cabinet or Opposition Front Bench.

In many Commonwealth Realm monarchies, the full title is Leader of Her Majesty's Loyal Opposition.

See also

• Leader of the Opposition (Australia)
  • Leader of the Opposition (Australian Capital Territory)
  • Leader of the Opposition (Northern Territory)
  • Leader of the Opposition (Tasmania)
  • Leader of the Opposition (Western Australia)
• Leader of the Opposition (Canada)
  • Leader of the Opposition (British Columbia)
  • Leader of the Opposition (Manitoba)
  • Leader of the Opposition (Ontario)
  • Leader of the Opposition (PEI)
  • Leader of the Official Opposition (Quebec)
  • Leader of the Opposition (Saskatchewan)
• Leader of the Opposition (India)
• Leader of the Opposition (Ireland)
• Leader of the Opposition (New Zealand)
• Leader of the Opposition (South Africa)
• Leader of the Opposition (UK)

• Official opposition
• Loyal opposition

Westminster system | Titles

Líder de la oposición