The National Reserve Bank of Tonga (NRBT) is the central bank

Central bank

A central bank, reserve bank, or monetary authority is a public institution that usually issues the currency, regulates the money supply, and controls the interest rates in a country. Central banks often also oversee the commercial banking system of their respective countries...

 of Tonga

Tonga

Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...

. The Reserve Bank is responsible for regulating the issue and supply

Money supply

In economics, the money supply or money stock, is the total amount of money available in an economy at a specific time. There are several ways to define "money," but standard measures usually include currency in circulation and demand deposits .Money supply data are recorded and published, usually...

 of domestic and international currency

Currency

In economics, currency refers to a generally accepted medium of exchange. These are usually the coins and banknotes of a particular government, which comprise the physical aspects of a nation's money supply...

, as well as promoting monetary stability and economic development

Economic development

Economic development generally refers to the sustained, concerted actions of policymakers and communities that promote the standard of living and economic health of a specific area...

. It also advises the Ministry of Finance on banking and monetary matters, acts as the principal banker and fiscal agent of the Government of Tonga

Politics of Tonga

Politics of Tonga takes place in a framework of a constitutional monarchy, whereby the King has the executive power. Tonga's Prime Minister is currently appointed by the King...

, and is responsible for the licensing and supervision of financial institutions.