
Australia has had a floating exchange rate since 1983, meaning that movements in the Australian dollar exchange rate are determined by the demand for and supply of Australian dollars in the foreign exchange market. Prior to 1983, Australia maintained a fixed exchange rate, with the Australian pound initially at par with the British pound. The Australian dollar is the official currency of Australia and is the sixth most-traded currency in the foreign exchange market. It is also the legal tender of three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu.
| Characteristics | Values |
|---|---|
| Exchange rate type | Floating |
| Exchange rate regime | Floating |
| Exchange rate determination | Market forces of supply and demand for foreign exchange |
| Historical exchange rate type | Fixed (until 1983) |
| Current AUD to USD exchange rate | 1 AUD = 0.67 USD |
| Current USD 100 to AUD exchange rate | 100 USD = 151.17 AUD |
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What You'll Learn

Australia's floating exchange rate
Australia has had a floating exchange rate since 1983. This means that the value of the Australian dollar (AUD) is determined by market forces of supply and demand for foreign exchange. The Reserve Bank of Australia (RBA) may intervene in the foreign exchange market under certain circumstances.
Prior to 1983, Australia maintained a fixed exchange rate. The Australian pound was initially at par with the British pound, reflecting their historical ties. From 1946 to 1971, Australia adopted the Bretton Woods system, which pegged the US dollar to gold. During this time, the Australian dollar was effectively pegged to sterling. With the breakdown of the Bretton Woods system in 1971, Australia transitioned to a fluctuating rate against the US dollar.
The Australian 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. It is subdivided into 100 cents and is the sixth most-traded currency in the foreign exchange market as of 2022. The Australian dollar is popular among currency traders due to its high interest rates, the relative freedom of its foreign exchange market from government intervention, and the stability of Australia's economy and political system.
The exchange rate of the Australian dollar is influenced by various factors, including interest rate differentials, movements in other financial markets, and changes in 'risk sentiment'. The RBA's monetary policy decisions play a key role in influencing the exchange rate. For example, an increase in Australian interest rates can contribute to a higher exchange rate, making Australian assets more attractive to foreign investors.
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How exchange rates are measured
Australia has had a floating exchange rate regime since 1983. Before that, in 1981, Australia maintained a fixed exchange rate.
Exchange rates are determined by a complex interplay of economic, financial, geopolitical, and market factors. They are crucial for global finance and personal transactions. Exchange rates compare the value of one currency to another. They measure how much of one currency it takes to purchase a unit of another.
There are two main ways to determine exchange rates:
- Fixed exchange rate system: In this system, the government or central bank maintains currency values relative to a specific standard. Historically, fixed exchange rates were anchored to gold or silver, with currency units defined as a specific weight of metal.
- Floating exchange rate system: In this system, governments and central banks allow currency values to fluctuate freely in financial markets.
The most common way to measure exchange rates is through bilateral exchange rates, which refer to the value of one currency relative to another. These are typically quoted against the US dollar (USD) as it is the most traded currency globally. For example, the AUD/USD exchange rate of 0.75 means that you will get 75 US cents for every AUD1 that is converted to US dollars.
Another way to measure exchange rates is through a trade-weighted index (TWI), which provides a broader measure of general trends in a currency. A TWI captures the price of a domestic currency in terms of a weighted average of a group or "basket" of currencies rather than a single foreign currency.
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Factors that affect exchange rates
Australia has had a floating exchange rate since 1983, which means that movements in the Australian dollar exchange rate are determined by the demand for, and supply of, Australian dollars in the foreign exchange market.
Interest rates
Interest rates are set by central banks and dictate the yield of holding or the cost of borrowing a specific currency. Higher interest rates can lead to currency appreciation as higher yields attract foreign capital. A country's interest rate is influenced by its monetary policy, which is decided by its central bank. For example, the Reserve Bank of Australia (RBA) decides the monetary policy for Australia.
Inflation rates
Central banks monitor inflation rates and use interest rates to keep inflation at a sustainable level, typically around 2%. A lower inflation rate generally strengthens a currency's value as it increases purchasing power. Low inflation can strengthen the US dollar as goods become less expensive and more attractive to foreign investors.
Political stability
Political stability can significantly boost a currency's value, sometimes overshadowing other economic factors. A country with a low risk of political unrest is more attractive to foreign investors, drawing investment away from other countries perceived to have more political and economic risk. An increase in foreign capital leads to an appreciation in the value of the country's currency, while countries prone to political tensions are likely to see a depreciation in their currency's value.
Economic performance
A country's economic performance can affect the strength of its currency. For example, a country with a strong economy and stable political environment will attract more foreign investment, leading to an appreciation in the value of its currency.
Terms of trade
The terms of trade are the ratio of a country's export prices to its import prices. When a country's export prices rise at a greater rate than its import prices, its terms of trade improve, resulting in higher revenue, higher demand for its currency, and an increase in the value of its currency.
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Historical exchange rates
Australia has had a floating exchange rate—where the exchange rate is determined by market forces of supply and demand for foreign exchange—since 1983. Before this, Australia maintained a fixed exchange rate.
From 1910 to 1931, the Australian pound was at par with the British pound, with an exchange rate of A£1 = UK£1. In 1931, the Australian pound was devalued to A£1 = 16s sterling.
From 1946 to 1967, Australia maintained a peg under the Bretton Woods system, which fixed the US dollar to gold. This effectively pegged the Australian dollar to sterling, with an exchange rate of £1 sterling = A£1 5s = A$2.50 = US$2.80.
In 1967, Australia did not follow the pound sterling devaluation and remained fixed to the US 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.
On 9 September 1973, the peg was adjusted to US$1.4875, with fluctuation limits of US$1.485–US$1.490. On 7 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 US dollars to one Australian dollar.
In December 1983, the Australian Labor government floated the dollar, with the exchange rate reflecting the balance of payments as well as supply and demand on international money markets. This decision was made on 8 December 1983 and announced on 9 December 1983.
The Australian 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. It is the sixth most-traded currency in the foreign exchange market and the sixth most-held reserve currency in global reserves as of Q1 2024.
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The Australian dollar in the global market
Australia has had a floating exchange rate since 1983, meaning that movements in the Australian dollar exchange rate are determined by the demand and supply of Australian dollars in the foreign exchange market. This is in contrast to a fixed exchange rate, where a currency is pegged to another currency.
The Australian dollar is the official currency of Australia and its external territories, as well as three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu. It is subdivided into 100 cents and is commonly denoted by the $ symbol. The Australian dollar is the sixth most traded currency in the foreign exchange market as of 2022, and it was the fifth most traded currency in 2016.
The value of the Australian dollar is influenced by various factors, including interest rates, risk sentiment, and commodity prices. Higher interest rates in Australia compared to other advanced economies, such as the US, Europe, and Japan, make Australian assets more attractive to foreign investors, thereby increasing demand for the Australian dollar. Additionally, when investors perceive a more positive outlook for economic growth, they are generally willing to take on more risk, which often coincides with an increased demand for Australian dollars.
The Australian dollar's value also moves in line with global equity markets. It tends to appreciate when global equity markets rise and depreciate when they fall. Commodity prices are considered a dominant driver of the Australian dollar, causing it to move in opposite directions to many other currencies. The exchange rate of the Australian dollar is important for Australia's economy, impacting economic activity, inflation, and the nation's balance of payments.
In summary, the Australian dollar holds a significant position in the global market, with its value influenced by a range of economic factors and policies. Its floating exchange rate allows the market forces of supply and demand to determine its value in relation to other currencies.
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Frequently asked questions
No, Australia has had a floating exchange rate since 1983.
A floating exchange rate, also called a floating regime, means that the value of a country's currency is determined by market forces of supply and demand for foreign exchange.
The exchange rate of the Australian dollar (AUD) is determined by the demand for, and supply of, Australian dollars in the foreign exchange market. The AUD is the sixth most traded currency in the foreign exchange market.
Prior to 1983, Australia maintained a fixed exchange rate. From 1910 to 1931, the Australian pound was at par with the British pound (A£1 = UK£1). After 1931, it was devalued to A£1 = 16s sterling. From 1946 to 1967, Australia maintained a peg under the Bretton Woods system, effectively pegging the Australian dollar to sterling (A$1 = £1 sterling = A$2.50 = US$2.80). In 1967, Australia fixed the exchange rate of its dollar to the US dollar (A$1 = US$1.12).
Changes in the exchange rate affect Australia's economic activity, inflation, and the nation's balance of payments.











































