Australian dollar
A$, AU$
ISO 4217
CodeAUD (numeric: 036)
 Freq. used$5, $10, $20, $50, $100
 Rarely used$1, $2 (no longer in production)
 Freq. used5c, 10c, 20c, 50c, $1, $2
 Rarely used1c, 2c (no longer in production)
Date of introduction14 February 1966
ReplacedAustralian pound
User(s) Australia
3 other countries
Central bankReserve Bank of Australia
PrinterNote Printing Australia
MintRoyal Australian Mint
Inflation7.0% (Australia only)
 SourceReserve Bank of Australia, March 2023.
Pegged byTuvaluan dollar and Kiribati dollar at par

The Australian dollar (sign: $; code: AUD; also abbreviated A$ or sometimes AU$ to distinguish it from other dollar-denominated currencies;[1][2] and also referred to as the dollar or Aussie dollar) is the official currency and legal tender of Australia, including all of its external territories, and three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu.[3][4][5][6] As of 2022, it is currently the sixth most-traded currency in the foreign exchange market and also the seventh most-held reserve currency in global reserves.[7]

The Australian dollar was introduced on 14 February 1966 to replace the pre-decimal Australian pound, with the conversion rate of two dollars to the pound (A£1 = A$2). It is subdivided into 100 cents. The $ symbol precedes the amount. On the introduction of the currency, the $ symbol was intended to have two strokes, but the version with one stroke has also always been acceptable.[8]

In 2016, there were A$71.12 billion in Australian currency in circulation, or A$2,932 per person in Australia,[9] which includes cash reserves held by the banking system and cash in circulation in other countries or held as a foreign exchange reserve.

Constitutional basis

Section 51(xii) of the Constitution of Australia gives the Commonwealth (federal) Parliament the power to legislate with respect to "currency, coinage, and legal tender".

The currency power must be read in conjunction with other parts of the Australian Constitution. Section 115 of the Constitution provides: "A State shall not coin money, nor make anything but gold and silver coin a legal tender in payment of debts."[10]

Under this provision the Perth Mint, owned by the Western Australian government, still produces gold and silver coins with legal tender status,[citation needed] the Australian Gold Nugget and Australian Silver Kookaburra. These, however, although having the status of legal tender, are almost never circulated or used in payment of debts, and are mostly considered bullion coins. Australian coins are now produced at the Royal Australian Mint in Canberra.


"Australian Royal" redirects here. For Australian royalty, see Monarchy of Australia.

Further information: Economy of Australia

See also: History of Australian currency


Before Federation in 1901, the six colonies that comprised Australia had separate currencies, all of which closely replicated the British currency system, and were usually exchangeable with each other on a one-to-one basis. Hence Federation was not seen as urgently requiring a single, unified currency. For another 10 years, colonial banknotes and coins continued to be the main circulating currencies.

In 1902, a select committee of the House of Representatives, chaired by George Edwards, had recommended that Australia adopt a single, national decimal currency, with a pound divided into ten florins and each florin comprising 100 cents.[11] However, the recommendation was not acted upon.

The Australian pound (A£) was introduced in 1910, at par with the pound sterling (A£1 = UK£1). Like the UK pound, it was divided into 240 pence, or 20 shillings (each comprising 12 pence). In December 1931, the Australian currency was devalued by 25%, so that one pound five shillings Australian was equivalent to one pound sterling.[12]

In 1937, a Banking Royal Commission,[note 1] appointed by the Lyons government, recommended that Australia adopt "a system of decimal coinage … based upon the division of the Australian pound into 1000 parts".[13] This recommendation was not accepted either.

Adoption of the dollar

In February 1959, Treasurer Harold Holt appointed a Decimal Currency Committee, chaired by Walter D. Scott, to examine the merits of decimalisation. The committee reported in August 1960 in favour of decimalisation and proposed that a new currency be introduced (from February 1963), to be modelled on South Africa's replacement of the South African pound with the rand (worth 10 shillings or 12 pound). The Menzies Government announced its support for decimalisation in July 1961, but delayed the process in order to give further consideration to the implementation process.[14] In April 1963, Holt announced that a decimal currency was scheduled to be introduced in February 1966, with a base unit equal to 10 shillings, and that a Decimal Currency Board would be established to oversee the transition process.[13]

A public consultation process was held in which over 1,000 names were suggested for the new currency. In June 1963, Holt announced that the new currency would be called the "royal". This met with widespread public disapproval, and three months later it was announced that it would instead be named the "dollar".[15]

The pound was replaced by the dollar on 14 February 1966[16] with the conversion rate of A$2 = A£1. For example, a pre-decimal amount of nine pounds, sixteen shillings and sixpence (£9 16s 6d) became $19.65 in terms of dollars and cents. Since Australia was still part of the fixed-exchange sterling area, the exchange rate was fixed to the pound sterling at a rate of A$1 = 8s sterling (or £1 stg = A$2.50, and in turn £1 stg = US$2.80). In 1967, Australia effectively left the sterling area when the pound sterling was devalued against the US dollar from US$2.80 to US$2.40, but the Australian dollar chose to retain its peg to the US dollar at A$1 = US$1.12 (hence appreciating in value versus sterling).

The Australian dollar is legal tender in its external territories: Christmas Island, Cocos (Keeling) Islands, and Norfolk Island; and is also official currency in Kiribati, Nauru, and Tuvalu. It was legal tender in Papua New Guinea until 31 December 1975 when it was replaced by the kina, and in Solomon Islands until 1977 when it was replaced by the Solomon Islands dollar.


Main article: Coins of the Australian dollar

In 1966, coins were introduced in denominations of 1 and 2 cents (bronze); 5, 10, and 20 cents (cupronickel; 75% copper, 25% nickel); and 50 cents (silver, then cupronickel). The 50-cent coins in 80% silver were withdrawn after a year when the intrinsic value of the silver content was found to considerably exceed the face value of the coins. Aluminium bronze (92% copper, 6% aluminium, 2% nickel) 1 dollar coins were introduced in 1984, followed by aluminium bronze 2 dollar coins in 1988, to replace the banknotes of that value. 1 and 2 cent coins were discontinued in 1991 and withdrawn from circulation in 1992; since then cash transactions have been rounded to the nearest 5 cents.

Australian coins[17]
Image Value Technical parameters Description Date of first minting
Obverse Reverse Diameter Thickness Weight Composition Edge Obverse Reverse
17.65 mm >1.4 mm 2.60 g 97% copper
2.5% zinc
0.5% tin
Plain Queen Elizabeth II Feathertail glider 1966–1991 (no longer issued)
21.59 mm <1.9 mm 5.20 g Frill-necked lizard
5c 19.41 mm 1.3 mm 2.83 g Cupronickel
75% copper
25% nickel
Reeded Queen
Elizabeth II
Echidna 1966
10c 23.60 mm 1.5 mm 5.65 g Superb lyrebird
20c 28.65 mm 2.0 mm 11.3 g Platypus
50c Dodecagon 31.65 mm (across flats) 2.0 mm 15.55 g Plain Coat of arms 1969
$1 25.00 mm 2.8 mm 9.00 g 92% copper
6% aluminium
2% nickel
Elizabeth II
Five kangaroos 1984
$2 20.50 mm 3.0 mm 6.60 g Aboriginal elder and Southern Cross 1988

Australia's coins are produced by the Royal Australian Mint, which is located in the nation's capital, Canberra. Since opening in 1965, the Mint has produced more than 14 billion circulating coins, and has the capacity to produce more than two million coins per day, or more than 600 million coins per year.

Current Australian 5, 10 and 20 cent coins are identical in size to the former Australian, New Zealand, and British sixpence, shilling, and two shilling (florin) coins. Pre-decimal Australian coins remain legal tender for 10 cents per shilling. Before 2006 the old New Zealand 5, 10 and 20 cent coins were often mistaken for Australian coins of the same value, and vice versa, and therefore circulated in both countries. The UK replaced these coins with smaller versions from 1990 to 1993, as did New Zealand in 2006. Still, some confusion occurs with the larger-denomination coins in the two countries; Australia's $1 coin is similar in size to New Zealand's $2 coin, and the New Zealand $1 coin is similar in size to Australia's $2 coin.

With a mass of 15.55 grams (0.549 oz) and a diameter of 31.51 millimetres (1+14 in), the Australian 50-cent coin is one of the largest coins used in the world today.

Commemorative coins

See also: Australian commemorative coins

The Royal Australian Mint also has an international reputation for producing quality numismatic coins. It has first issued commemorative 50-cent coins in 1970, commemorating James Cook's exploration along the east coast of the Australian continent, followed in 1977 by a coin for Queen Elizabeth II's Silver Jubilee, the wedding of Charles, Prince of Wales and Lady Diana Spencer in 1981, the Brisbane Commonwealth Games in 1982, and the Australian Bicentenary in 1988. Issues expanded into greater numbers in the 1990s and the 21st century, responding to collector demand. Commemorative designs have also been featured on the circulating two dollar, one dollar, and 20 cent coins.

In commemoration of the 40th anniversary of decimal currency, the 2006 mint proof and uncirculated sets included one- and two-cent coins. In early 2013, Australia's first triangular coin was introduced to mark the 25th anniversary of the opening of Parliament House. The silver $5 coin is 99.9% silver, and depicts Parliament House as viewed from one of its courtyards.[18]


Main article: Banknotes of the Australian dollar

First series

The first paper issues of the Australian dollar were issued in 1966. The $1, $2, $10 and $20 notes had exact equivalents in the former pound notes. The $5 note was issued in 1967, the $50 was issued in 1973 and the $100 was issued in 1984.[19]

The $1 banknote was replaced by a $1 coin in 1984, while the $2 banknote was replaced by a smaller $2 coin in 1988.[20] Although no longer printed, all previous notes of the Australian dollar are still considered legal tender.[21]

Shortly after the changeover, substantial counterfeiting of $10 notes was detected. This provided an impetus for the Reserve Bank of Australia to develop new note technologies jointly with the Commonwealth Scientific and Industrial Research Organisation, culminating in the introduction of the first polymer banknote in 1988.

First polymer series

Australia was the first country to produce polymer banknotes,[22] more specifically made of polypropylene polymer, which were produced by Note Printing Australia. These revolutionary polymer notes are cleaner than paper notes, are more durable and easily recyclable.

The first polymer banknote was issued in 1988 as a $10 note[23] commemorating the bicentenary of European settlement in Australia. The note depicted on one side a young male Aboriginal person in body paint, with other elements of Aboriginal culture. On the reverse side was the ship Supply from the First Fleet, with a background of Sydney Cove, as well as a group of people to illustrate the diverse backgrounds from which Australia has evolved over 200 years.

The first polymer series was rolled out starting 1992 and featured the following persons:

A special centenary issue of the $5 note featured Sir Henry Parkes and Catherine Helen Spence in 2001. In 2015–2016 there were petitions to feature Fred Hollows on the upgraded $5 note, but failed to push through when the new note was introduced on 1 September 2016.[29][30][31]

Australia also prints polymer banknotes for a number of other countries through Note Printing Australia, a wholly owned subsidiary of the Reserve Bank of Australia. Note Printing Australia prints polymer notes or simply supplies the polymer substrate[32] for a growing number of other countries including Bangladesh, Brunei, Chile, Kuwait, Malaysia, Mexico, Nepal, New Zealand, Papua New Guinea, Romania, Samoa, Singapore, Solomon Islands, Sri Lanka and Vietnam. Many other countries are showing a strong interest in the new technology.

Second polymer series

On 27 September 2012, the Reserve Bank of Australia stated that it had ordered work on a project to upgrade the current banknotes. The upgraded banknotes would incorporate a number of new future proof security features [33] and include tactile features like Braille dots for ease of use of the visually impaired. [34][35] All persons featured on the first polymer series were retained on the second polymer series.

Banknote series since 2016[36][37]
Note Obverse Reverse Dimensions (mm) Main colour Embossing Issued
$5 Queen Elizabeth II Parliament House 130 × 65 Violet, purple Federation star 1 September 2016[31]
$10 Banjo Paterson Dame Mary Gilmore 137 × 65 Blue Pen nib 20 September 2017[38]
$20 Mary Reibey Reverend John Flynn 144 × 65 Red/Orange Compass 9 October 2019[39]
$50 David Unaipon Edith Cowan 151 × 65 Yellow Book 18 October 2018[40]
$100 Dame Nellie Melba Sir John Monash 158 × 65 Green Fan 29 October 2020[41][42]
These images are to scale at 0.7 pixel per millimetre. For table standards, see the banknote specification table.

Exchange rates

Exchange rate history

The cost of one Euro in Australian Dollar.

Prior to 1983, Australia maintained a fixed exchange rate. The Australian pound was initially at par from 1910 with the British pound or A£1 = UK£1; from 1931 it was devalued to A£1 = UK£0.8 or 16 shillings sterling. This reflected its historical ties as well as a view about the stability in value of the British pound.

From 1946 to 1971, Australia maintained a peg under the Bretton Woods system, a fixed exchange rate system that pegged the U.S. dollar to gold, but the Australian dollar was effectively pegged to sterling until 1967 at UK£1 = A£1.25 = A$2.50 = US$2.80. In 1967 Australia did not follow the pound sterling devaluation and remained fixed to the U.S. dollar at A$1 = US$1.12.

With the breakdown of the Bretton Woods system in 1971, Australia converted the traditional peg to a fluctuating rate against the US dollar. In September 1974, Australia valued the dollar against a basket of currencies called the trade weighted index (TWI) in an effort to reduce the fluctuations associated with its tie to the US dollar.[43] The daily TWI valuation was changed in November 1976 to a periodically adjusted valuation.

The highest valuation of the Australian dollar relative to the U.S. dollar was during the period of the peg to the U.S. dollar. On 9 September 1973, the peg was adjusted to US$1.4875, the fluctuation limits being changed to US$1.485–US$1.490;[44] on both 7 December 1973 and 10 December 1973, the noon buying rate in New York City for cable transfers payable in foreign currencies reached its highest point of 1.4885 U.S. dollars to one dollar.[45]

1983 ABC news report on the first day of trading with a floating Dollar.

In December 1983, the Australian Labor government led by Prime Minister Bob Hawke and Treasurer Paul Keating floated the dollar, with the exchange rate reflecting the balance of payments as well as supply and demand on international money markets. The decision was made on 8 December 1983 and announced on 9 December 1983.[46]

In the two decades that followed, its highest value relative to the US dollar was $0.881 in December 1988. The lowest ever value of the dollar after it was floated was 47.75 US cents in April 2001.[47] It returned to above 96 US cents in June 2008,[48] and reached 98.49 later that year. Although the value of the dollar fell significantly from this high towards the end of 2008, it gradually recovered in 2009 to 94 US cents.

On 15 October 2010, the dollar reached parity with the US dollar for the first time since becoming a freely traded currency, trading above US$1 for a few seconds.[49] The currency then traded above parity for a sustained period of several days in November, and fluctuated around that mark into 2011.[50] On 27 July 2011, the dollar hit a record high since floating, at $1.1080 against the US dollar.[51] Some commentators speculated that its high value that year was related to Europe's sovereign debt crisis, and Australia's strong ties with material importers in Asia and in particular China.[52]

Since the end of China's large-scale purchases of Australian commodities in 2013, however, the Australian dollar's value versus the US dollar has since plunged to $0.88 as of end-2013, and to as low as $0.57 in March 2020. As of 2021, it has traded at a range of $0.71 to $0.80.

Determinants of value

In 2016, the Australian dollar was the fifth most traded currency in world foreign exchange markets, accounting for 6.9% of the world's daily share (down from 8.6% in 2013)[53] behind the United States dollar, the euro, the Japanese yen and the pound sterling.

The Australian dollar is popular with currency traders, because of the comparatively high interest rates in Australia, the relative freedom of the foreign exchange market from government intervention, the general stability of Australia's economy and political system, and the prevailing view that the Australian dollar offers diversification benefits in a portfolio containing the major world currencies, especially because of its greater exposure to Asian economies and the commodities cycle.[54]

Economists posit that commodity prices are the dominant driver of the Australian dollar, and this means changes in exchange rates of the Australian dollar occur in ways opposite to many other currencies.[55] For decades, Australia's balance of trade has depended primarily upon commodity exports such as minerals and agricultural products. This means the Australian dollar varies significantly during the business cycle, rallying during global booms as Australia exports raw materials, and falling during recessions as mineral prices slump or when domestic spending overshadows the export earnings outlook. This movement is in the opposite direction to other reserve currencies, which tend to be stronger during market slumps as traders move value from falling stocks into cash.

The Australian dollar is a reserve currency and one of the most traded currencies in the world.[54] Other factors in its popularity include a relative lack of central bank intervention, and general stability of the Australian economy and government.[56] In January 2011 at the World Economic Forum in Davos, Switzerland, Alexey Ulyukaev announced that the Central Bank of Russia would begin keeping Australian dollar reserves.[57]

Most traded currencies by value
Currency distribution of global foreign exchange market turnover[58]
Rank Currency ISO 4217
Symbol or
Proportion of daily volume
April 2019 April 2022
1 U.S. dollar USD US$ 88.3% 88.5%
2 Euro EUR 32.3% 30.5%
3 Japanese yen JPY ¥ / 円 16.8% 16.7%
4 Sterling GBP £ 12.8% 12.9%
5 Renminbi CNY ¥ / 元 4.3% 7.0%
6 Australian dollar AUD A$ 6.8% 6.4%
7 Canadian dollar CAD C$ 5.0% 6.2%
8 Swiss franc CHF CHF 4.9% 5.2%
9 Hong Kong dollar HKD HK$ 3.5% 2.6%
10 Singapore dollar SGD S$ 1.8% 2.4%
11 Swedish krona SEK kr 2.0% 2.2%
12 South Korean won KRW ₩ / 원 2.0% 1.9%
13 Norwegian krone NOK kr 1.8% 1.7%
14 New Zealand dollar NZD NZ$ 2.1% 1.7%
15 Indian rupee INR 1.7% 1.6%
16 Mexican peso MXN $ 1.7% 1.5%
17 New Taiwan dollar TWD NT$ 0.9% 1.1%
18 South African rand ZAR R 1.1% 1.0%
19 Brazilian real BRL R$ 1.1% 0.9%
20 Danish krone DKK kr 0.6% 0.7%
21 Polish złoty PLN 0.6% 0.7%
22 Thai baht THB ฿ 0.5% 0.4%
23 Israeli new shekel ILS 0.3% 0.4%
24 Indonesian rupiah IDR Rp 0.4% 0.4%
25 Czech koruna CZK 0.4% 0.4%
26 UAE dirham AED د.إ 0.2% 0.4%
27 Turkish lira TRY 1.1% 0.4%
28 Hungarian forint HUF Ft 0.4% 0.3%
29 Chilean peso CLP CLP$ 0.3% 0.3%
30 Saudi riyal SAR 0.2% 0.2%
31 Philippine peso PHP 0.3% 0.2%
32 Malaysian ringgit MYR RM 0.2% 0.2%
33 Colombian peso COP COL$ 0.2% 0.2%
34 Russian ruble RUB 1.1% 0.2%
35 Romanian leu RON L 0.1% 0.1%
36 Peruvian sol PEN S/ 0.1% 0.1%
37 Bahraini dinar BHD .د.ب 0.0% 0.0%
38 Bulgarian lev BGN BGN 0.0% 0.0%
39 Argentine peso ARS ARG$ 0.1% 0.0%
Other 1.8% 2.3%
Total[note 2] 200.0% 200.0%

Current exchange rates

Current AUD exchange rates

Legal tender

Within Australia

Australian notes are legal tender throughout Australia by virtue of the Reserve Bank Act 1959, s.36(1),[3] without an amount limit. Part IV of the Currency Act 1965[59] similarly provides that Australian coins intended for general circulation are also legal tender, but only for the following amounts:

Although the Reserve Bank Act 1959 and the Currency Act 1965 establishes that Australian banknotes and coins have legal tender status, Australian banknotes and coins do not necessarily have to be used in transactions and refusal to accept payment in legal tender is not unlawful. A provider of goods or services may specify the payment method before a "contract" is entered into, such as in the case of online transactions. If a provider of goods or services specifies another means of payment prior to the contract, then there is usually no obligation for legal tender to be accepted as payment. This is the case even when an existing debt is involved. However, refusal to accept legal tender in payment of an existing debt, where no other means of payment/settlement has been specified in advance, conceivably may have legal consequences.[61][62]

Outside Australia

Australian notes and coins are also legal tender in the independent sovereign states of Kiribati, Nauru, and Tuvalu.[4][5][6] Nauru never had its own currency. Tuvalu and Kiribati additionally had their respective Tuvaluan and Kiribati dollars at par with the Australian dollar. They are legal tender in their respective countries but not in Australia. However, both countries no longer produce coinage since the 1990s and have never produced their own banknotes. As a result, the Australian dollar is the dominant currency in both countries.

Tuvalu also issues non-circulating commemorative bullion coins produced by the Perth Mint.[63][64]

See also


  1. ^ In full, the "Royal Commission appointed to inquire into the monetary and banking systems at present in operation in Australia"
  2. ^ The total sum is 200% because each currency trade is counted twice: once for the currency being bought and once for the one being sold. The percentages above represent the proportion of all trades involving a given currency, regardless of which side of the transaction it is on. For example, the US dollar is bought or sold in 88% of all currency trades, while the euro is bought or sold in 31% of all trades.



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Preceded by:
Australian pound
Reason: decimalisation
Ratio: 2 dollars = 1 pound
Currency of Australia, Christmas Island, Cocos Islands, Norfolk Island, Nauru, Kiribati, Tuvalu
14 February 1966 –
Succeeded by:
Preceded by:
New Guinean pound
Reason: decimalisation
Ratio: 2 dollars = 1 pound
Currency of Papua New Guinea
14 February 1966 – 1975
Succeeded by:
Papua New Guinean kina
Reason: currency independence
Ratio: at par
Preceded by:
Australian pound
Reason: decimalisation
Ratio: 2 dollars = 1 pound
Currency of Solomon Islands
14 February 1966 – 1977
Succeeded by:
Solomon Islands dollar
Reason: currency independence
Ratio: at par