
The Parliament of Australia, also known as the Federal Parliament, is the federal legislature of Australia. The first Australian Parliament was opened on 9 May 1901 in Melbourne by Prince George, the Duke of Cornwall and York, who later became King George V. The Parliament of Australia consists of three elements: the monarch of Australia, the Senate (the upper house), and the House of Representatives (the lower house). The current Parliament is the 47th Australian Parliament, which first sat in July 2022 following the federal election in May 2022.
| Characteristics | Values |
|---|---|
| Year of formation | 1901 |
| Date of inaugural election | 29 and 30 March 1901 |
| Date of first Australian Parliament opening | 9 May 1901 |
| Location of the first Parliament | Melbourne |
| Location of Parliament meetings | Separate chambers of Parliament House on Capital Hill in Canberra, Australian Capital Territory |
| Number of members in the House of Representatives | 151 |
| Number of members in the Senate | 76 |
| Number of members in the Legislative Assembly | 1 chamber |
| Year of the first federal election with compulsory voting | 1925 |
| Year of the reduction of voting age from 21 to 18 | 1973 |
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What You'll Learn
- The first Australian Parliament was opened on 9 May 1901
- The Australian Parliament is based on the British Westminster system
- The House of Representatives currently consists of 151 members
- The Australian Parliament is quite young compared to other parliaments
- The word 'parliament' comes from the French word 'parler', meaning 'to talk'

The first Australian Parliament was opened on 9 May 1901
The establishment of the Australian Parliament was the culmination of a process that began in the 1890s, when a movement emerged to unite the colonies as one nation under a single constitution. The Australian Constitution was meticulously drafted by representatives of the colonies through a series of conventions and meetings. It was then presented to the people of the colonies for their approval through elections and referendums.
The British Parliament played a pivotal role in this process by passing the Commonwealth of Australia Constitution Act 1900, which officially came into effect on 1 January 1901. This act united the colonies, establishing the Commonwealth of Australia as a new country. The Australian Parliament was structured to consist of three key elements: the monarch of Australia (represented by the governor-general), the Senate (the upper house), and the House of Representatives (the lower house).
The House of Representatives, often referred to as the "lower house," is composed of single-member electorates with populations of roughly equal size. The party or coalition of parties that holds the majority in this house forms the government, with their leader becoming the Prime Minister. The Senate, or the "upper house," consists of 76 members: twelve representatives from each state and two from each self-governing territory. Senators are elected using a proportional representation system, resulting in a diverse range of parties vying for power.
The first Australian Parliament laid the foundation for the country's democratic governance and set in motion the process of law-making and representation for the people of Australia.
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The Australian Parliament is based on the British Westminster system
The Westminster system has a distinct appearance, with many British customs incorporated into the day-to-day functions of the government. The Australian Parliament adopted the British tradition of responsible government, where the executive, including the prime minister and ministers, are members of parliament. The Westminster-style parliament is usually a long, rectangular room, with two rows of seats and desks on either side. The Australian Parliament also adopted the British system of separation of powers, dividing power between the parliament, the executive, and the judiciary.
The upper house, or Senate, in the Westminster system can sometimes exercise considerable power, as is the case in Australia. The Australian Senate consists of 76 members: twelve for each state and two for each of the self-governing territories. Senators are elected using a proportional system, resulting in a diverse range of parties within the chamber.
The Australian constitutional crisis of 1975, where the Governor-General of Australia, Sir John Kerr, dismissed Prime Minister Gough Whitlam and replaced him with opposition leader Malcolm Fraser, illustrates the complex pattern of executive functions within the Westminster system. The head of state, typically a monarch or president, serves as a ceremonial figurehead who holds nominal executive power but does not actively exercise it. In contrast, the head of government, usually the prime minister, relies on the support of the majority in the responsible house and ensures that there is no absolute majority against the government.
The Australian Parliament, also known as the Federal Parliament or the Parliament of the Commonwealth, came into existence on 1 January 1901, with the federation of the six Australian colonies. The British Parliament passed the Commonwealth of Australia Constitution Act 1900, uniting these self-governing colonies into the Commonwealth of Australia. The Australian Constitution was drafted by representatives of the colonies and approved by the eligible voters through elections and referendums.
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The House of Representatives currently consists of 151 members
The Parliament of Australia, officially the Parliament of the Commonwealth, came into existence on 1 January 1901, with the federation of the six Australian colonies. The first Australian Parliament was opened on 9 May 1901, in Melbourne.
The House of Representatives, also known as the lower house, currently consists of 151 members. The number of members in the House of Representatives is determined by the Parliament, but the Constitution provides that this number must be "as nearly as practicable, twice the number of Senators". This requirement is commonly referred to as the "nexus clause".
The House of Representatives is made up of single-member electorates with roughly equal populations. Each state is allocated seats based on its population, and each original state, regardless of size, is guaranteed at least five seats.
The House of Representatives plays a crucial role in the Australian political system. As per the Westminster system, the party or coalition of parties that holds the majority in the House forms the government, with the leader of that party becoming the Prime Minister. If the government loses the confidence of the House, they may be expected to call a new election or resign.
The House of Representatives is similar to the United States House of Representatives, which is also the lower house of a bicameral legislature. The US House of Representatives has 435 members, with each state's representation determined by population. It has exclusive powers, including initiating revenue bills, impeaching federal officers, and electing the president if no candidate receives a majority of votes.
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The Australian Parliament is quite young compared to other parliaments
The Australian Parliament, also known as the Federal Parliament or the Parliament of the Commonwealth, is the federal legislature of Australia. It consists of three elements: the monarch of Australia (represented by the governor-general), the Senate (the upper house), and the House of Representatives (the lower house). The Australian Parliament is quite young compared to other parliaments around the world, with its origins dating back to the early 1900s.
The Commonwealth of Australia was established on January 1, 1901, with the federation of six Australian colonies into a new country. The British Parliament passed the Commonwealth of Australia Constitution Act 1900, which came into effect on this date, uniting the colonies and establishing the Australian Parliament. The first Australian Parliament was opened on May 9, 1901, in Melbourne, marking the beginning of Australia's parliamentary democracy.
While the Australian Parliament is considered young, it is built upon practices and ideals from much older parliaments. The Westminster system in Britain, for example, has influenced the Australian Parliament's structure and traditions. The concept of a parliament itself, a group of elected representatives with the power to make laws, has ancient origins. Citizens' assemblies with similar functions have been traced back to ancient Mesopotamia (modern-day Syria and Iraq) around 2500 BCE.
The Australian Parliament has evolved over time, adapting to the needs of a modern nation. The current Parliament is the 47th Australian Parliament, which first sat in July 2022 following the federal election in May 2022. The Parliament has undergone changes in its structure, such as the creation of the Federation Chamber to expedite parliamentary business. The Parliament House, opened in 1988, reflects a blend of traditional and contemporary design elements, including a colour scheme inspired by eucalyptus trees.
The Australian Parliament continues to play a crucial role in the country's governance, with its members representing Australians and making laws that impact their constituents. While it may be younger than some of its global counterparts, it has a rich history and serves as a cornerstone of Australia's democratic system.
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The word 'parliament' comes from the French word 'parler', meaning 'to talk'
The Australian Parliament came into existence on 9 May 1901, after the federation of the six Australian colonies. The first Australian Parliament was opened in Melbourne by Prince George, Duke of Cornwall and York, later King George V. The British Parliament passed the Commonwealth of Australia Constitution Act 1900, which came into effect on 1 January 1901. The Act united the six self-governing colonies into a new country, the Commonwealth of Australia.
The word 'parliament' comes from the French word 'parler', which means 'to talk'. The Old French word 'parlement' is derived from the verb 'parler' ('to speak') and the suffix '-ment', and originally meant a 'speaking'. The term was first used in this context in 1165. By the 13th century, the meaning became more specialised in French, referring specifically to the 'curia regis in judicial session; sovereign court of justice'. The term then entered English in the 14th century, where it was used to denote a 'legislative assembly' or 'legislative body'.
The modern French term 'parlement' (for the legislature) and the English word 'parliament' share this etymology. However, it is important to note that the Ancien Régime parlements in France were not legislative bodies, and so the modern and ancient terminology are not interchangeable. The parlements in France were judicial organisations consisting of a dozen or more appellate judges, amounting to about 1,100 judges nationwide. They were the courts of final appeal in the judicial system and wielded power over a wide range of subjects, particularly taxation.
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Frequently asked questions
The Australian Parliament was established on 1 January 1901.
The Australian Parliament consists of the monarch or king (represented by the governor-general), the Senate (upper house), and the House of Representatives (lower house).
The Parliament makes laws, represents Australians, scrutinises the government, and provides a place for government formation.
The number of members in the Australian Parliament has changed over time due to population growth. In 1901, there were 75 members in the House of Representatives and 36 senators in the Senate. As of 2025, there are 150 members in the House of Representatives and 76 senators.
Members of the Australian Parliament are elected by the people they represent, known as their constituents. They are responsible for considering how bills and decisions will impact their constituents and raising their interests and concerns in Parliament.











































