Nigerian naira
The naira (sign: ₦; code: NGN) is the currency of Nigeria. One naira is divided into 100 "kobo". The Central Bank of Nigeria (CBN) is the sole issuer of legal tender money throughout the Federal Republic of Nigeria. It controls the volume of money supplied in the economy in order to ensure monetary and price stability. The Currency Operations Department of the CBN is in charge of currency management, through the designs, procurement, distribution and supply, processing, reissue and disposal or disintegration of bank notes and coins. History. The naira was introduced on 1 January 1973, replacing the  Nigerian pound at a rate of 2 naira = 1 pound. The coins of the new currency were the first coins issued by an independent Nigeria, as all circulating coins of the Nigerian pound were all struck by the colonial government of the Federation of Nigeria in 1959, with the name of Queen Elizabeth II on the obverse. This also made Nigeria the last former British colony to abandon the £sd currency system in favour of the decimal currency system. There was a government plan to redenominate the naira at 1 new naira = 100 old naira in 2008 , but the plan was suspended. The currency sign is . The name "naira" was coined from the word "Nigeria" by Obafemi Awolowo. The Central Bank of Nigeria claimed that they attempted to control the annual inflation rate below 10%. In 2011, the CBN increased key interest rate six times, rising from 6.25% to 12%. On 31 January 2012, the CBN decided to maintain the key interest rate at 12%, in order to reduce the impact of inflation due to reduction in fuel subsidies. As of 20 June 2016, the naira was allowed to float, after being pegged at 197 to one  US dollar for several months. Trades speculated the natural range of the naira would be between 280 and 350 to the dollar. In October 2021, the eNaira, the digital version of the state currency, is officially launched in Nigeria. Coins. In 1973, coins were introduced in denominations of , 1, 5, 10 and 25 kobo, with the and 1 kobo in bronze and the higher denominations in cupro-nickel. The kobo coins were minted only that year. In 1991, smaller 1, 10 and 25 kobo coins were issued in copper-plated-steel, along with nickel-plated-steel 50 kobo and 1  naira. On 28 February 2007, new coins were issued in denominations of 50 kobo, 1 and 2 naira, with the 1 and 2 naira bimetallic. Some Nigerians expressed concerns over the usability of the ₦2 coin. The deadline for exchanging the old currency was set at 31 May 2007. The central bank stated that the to 25 kobo coins were withdrawn from circulation with effect from 28 February 2007. Banknotes. On January 1, 1973, the Central Bank of Nigeria introduced notes for 50 kobo, 1, 5, 10 and 20 naira: in April 1984, the colours of all naira banknotes  were changed in an attempt to control money laundering. In 1991, 50 naira notes were issued, while the 50 kobo and 1 naira notes were replaced by coins in 1991. This was followed by 100 naira in 1999, 200 naira in 2000, 500 naira in 2001 and 1000 naira on October 12, 2005. On February 28, 2007, new versions of the 5 to 50 naira banknotes were introduced. Originally the 10, 20 and 50 naira were to be polymer banknotes, but the 5,10 and 50 were delayed to late 2009 and only the 20 was released in polymer. The notes  are slightly smaller (130 × 72 mm) and redesigned from the preceding issues. In mid-2009 when Sanusi Lamido Sanusi took over as CBN Governor, The Central Bank of Nigeria changed the 5, 10 and 50 naira to polymer notes. On the 1000 naira notes, there is a subtle shiny strip running down the back of the note. It is a shimmery gold colour showing 1000 naira. The triangular shape in the middle of the front of the note changes its colour from green to blue when tilted. The main feature on the front is the engraved portraits of Alhaji Aliyu  Mai-Bornu and Dr Clement Isong, former governors of the Central Bank of Nigeria. On the first prints of the 100 naira notes issued starting December 1, 1999, Zuma Rock was captioned as located in Federal Capital Territory, while actually it is situated in Niger State. Later prints removed the reference to FCT, ABUJA. In 2012 the Central Bank of Nigeria was contemplating the introduction of new currency denominations of N5,000. The bank also made plans to convert ₦5, ₦10, ₦20 and ₦50 into coins which are all presently notes. The Central Bank of Nigeria announced  that it will no longer issue banknotes on polymer citing higher costs and environmental issues. On November 12, 2014, the Central Bank of Nigeria issued a 100 naira commemorative note to celebrate the centennial of Nigeria's existence. The notes are similar to its regular issue with the portrait of Chief Obafemi Awolowo on the front, but are redesigned to include a new colour scheme, revised security features, and the text "One Nigeria, Great Promise" in microprinting. On the back is a quick response code (QRC) which when scanned leads users to a website about Nigeria's history. In 2019 , the naira attained a landmark when for the first time, it featured the signature of a woman. Priscilla Ekwere Eleje, the Director of Currency operations of the Central Bank of Nigeria at the time, had the honour. Second naira. The naira was scheduled for redenomination in August 2008, although this was cancelled by then-President Umaru Musa Yar'Adua, with 100 old naira to become 1 new naira. The Nigerian Central Bank stated that it would make the naira fully convertible against foreign currencies by 2009. Currently, the amount of foreign currency is regulated through weekly auctions, while the Central Bank  sets the exchange rate. The naira appreciated against the dollar through 2007 due to high oil revenues. Also, the then-Bank Governor, Professor Chukwuma Soludo noted the weekly central bank auctions of foreign currency will gradually be phased out, and that the bank would "only intervene in the market as may be required to achieve defined policy objectives". Coins. Coins were to be issued in denominations of: - 1 kobo (₦0.01) - 2 kobo (₦0.02) - 5 kobo (₦0.05) - 10 kobo (₦0.10) - 20 kobo (₦0.20) - 50 Kobo (₦0.50) - 1 Niara (₦1) Due to inflation, Nigerian coins  are all essentially worthless now. Each coin has an extremely low value. Banknotes. Banknotes were to be printed in denominations of: Exchange rates. This table shows the historical value of one U.S. dollar in Nigerian naira. PM = parallel market.