Old-age pension is a term referring to a regular payment given by the government to an elderly citizen who is no longer in a position to earn their living. Several other synonyms are used throughout the world for this payment. These include retirement pension, age pension, elderly allowance, superannuation, and senior pension. Retirement pension denotes the income provided to a retiree after he/she stops working and is officially out of the labor force. Age pension is a term used mainly in Australia, and elderly allowance is used in Hong Kong. Superannuation is a term mostly applied in the UK, and senior pension is used in some European countries.