
Australia's population has changed significantly over the past two centuries, with the country witnessing a substantial increase in its population since the early 19th century. In 1800, the population of Australia was approximately 350,000 people, with the majority of these being Indigenous Australians. The early 1800s marked the beginning of significant colonial expansion and the establishment of the first colonies in Sydney, Tasmania, and Western Australia. This period also saw the transportation of approximately 164,000 British and Irish convicts to these penal colonies, shaping the demographic landscape of the continent.
| Characteristics | Values |
|---|---|
| Population of Australia in 1800 | 350,000 people (majority Indigenous Australians) |
| First colonies | Sydney, Tasmania and Western Australia |
| Number of British and Irish convicts transported to Australia between 1788 and 1868 | 164,000 |
| Population of New South Wales in 1804 | 7,000 (80% men) |
| Percentage of the population that was Indigenous Australians in the late 18th century | 80% |
| Population in 1901 | 3.8 million |
| Population in 2020 | 25 million |
| Life expectancy at birth for females in the early 20th century | 58.8 years |
| Life expectancy at birth for males in the early 20th century | 55.2 years |
| Life expectancy at birth for females in 2021 | 85.4 years |
| Life expectancy at birth for males in 2021 | 81.3 years |
| Infant mortality rate in 1901 | 10.4% |
| Infant mortality rate in 2021 | 0.3% |
| Median age in 1901 | 22.5 |
| Median age in 2021 | 38.4 |
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What You'll Learn
- Australia's population in 1800 was approximately 350,000
- The majority of the population were Indigenous Australians
- There were approximately 164,000 British and Irish convicts in Australia
- Sydney was a convict outpost with a population of around 7,000 in 1804
- Colonisation led to the decimation of Indigenous Australians through conflict and disease

Australia's population in 1800 was approximately 350,000
In the year 1800, the estimated population of Australia was approximately 350,000 people. This figure includes both the indigenous Aboriginal and Torres Strait Islander populations, as well as the non-indigenous European settlers and their descendants. It is important to note that accurate population data from this time period is scarce and often unreliable, as systematic census-taking in Australia did not begin until the latter part of the 19th century. Nonetheless, this estimate provides a valuable glimpse into the demographic makeup of Australia at the turn of the 19th century.
The Aboriginal and Torres Strait Islander population at this time is estimated to have been between 300,000 and 1 million people. These indigenous Australians had occupied the continent for thousands of years prior to the arrival of European settlers, and their populations were distributed across the land in diverse cultural groups and language communities. Unfortunately, the colonization process had a devastating impact on these indigenous communities, and their numbers declined significantly due to introduced diseases, violence, and dispossession of their lands.
The non-indigenous population of Australia in 1800 was much smaller, numbering around 50,000 people. This group consisted primarily of British colonists and their descendants, who had begun arriving in Australia in 1788 with the establishment of the First Fleet. The early colonial period was characterized by a significant gender imbalance, with male convicts and soldiers comprising the majority of the new arrivals. This led to a unique demographic dynamic in the early Australian colonies.
Life expectancy during this time was significantly lower than it is today. The average life expectancy at birth for the entire Australian population in the early 1800s was likely below 40 years. This was influenced by a range of factors, including high infant mortality rates, infectious diseases, nutritional deficiencies, and the challenging environmental conditions that early settlers faced. However, it is important to note that life expectancy varied between different groups, with indigenous Australians generally experiencing shorter life expectancies due to the impacts of colonization.
The population of Australia would undergo significant growth and change in the centuries following 1800. The gold rush of the 1850s, for example, attracted a large influx of immigrants, particularly from China and other parts of Europe, contributing to a more diverse and cosmopolitan society. Today, Australia's population has grown to over 25 million people, with ongoing immigration and cultural diversity shaping the country's modern identity.
In conclusion, Australia's estimated population of 350,000 people in 1800 reflects a pivotal moment in the country's demographic history. This figure encompasses both the indigenous and non-indigenous populations, each with their own unique experiences and challenges. As Australia moved into the 19th century, its population dynamics would be increasingly influenced by colonization, cultural interactions, and the ongoing pursuit of a life on a vast and often unforgiving continent.
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The majority of the population were Indigenous Australians
In 1800, the population of Australia was approximately 350,000 people, and the majority of these were Indigenous Australians. The Indigenous population prior to European settlement was small, with estimates ranging widely from 318,000 to more than 3,000,000 in total. At the time of first European contact, estimates of the Aboriginal population range from 300,000 to one million. They were complex hunter-gatherers with diverse economies and societies.
Indigenous Australians consist of two distinct groups, which include many ethnic groups: the Aboriginal Australians of the mainland and many islands, including Tasmania, and the Torres Strait Islanders of the seas between Queensland and Papua New Guinea, located in Melanesia. In 2021, 812,728 people self-identified as being of Aboriginal and/or Torres Strait Islander origin in the Australian Census, representing 3.2% of the total population of Australia. Of these Indigenous Australians, 91.4% identified as Aboriginal, 4.2% identified as Torres Strait Islander, and 4.4% identified with both groups.
The history of Indigenous Australians began 50,000 to 65,000 years ago when humans first populated the Australian continent. Human habitation of the Australian continent began with the migration of the ancestors of today's Aboriginal Australians by land bridges and short sea crossings from what is now Southeast Asia. The Aboriginal people spread throughout the continent, adapting to diverse environments and climate change to develop one of the oldest continuous cultures on Earth.
The British Empire established a penal colony at Botany Bay in 1788. In the 150 years that followed, the number of Indigenous Australians fell sharply due to introduced diseases and violent conflict with the colonists. The greatest cause of death was disease, followed by settler and inter-Indigenous killings. A smallpox epidemic spread for three years after the arrival of Europeans. Massacres, frontier armed conflicts, and competition over resources with European settlers also contributed to the decline of the Aboriginal peoples.
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There were approximately 164,000 British and Irish convicts in Australia
By 1800, the population of Australia was approximately 350,000 people, the majority of whom were Indigenous Australians. The number of ethnic Europeans increased as colonisation progressed, while the Aboriginal population was decimated by conflict, smallpox, and other diseases. Some communities, such as the Aboriginal Tasmanians, were completely exterminated.
The British Empire's loss of its American colonies in the 1780s led to a search for new territories to expand its influence. As a result, the first colonies in Australia were established in Sydney, Tasmania, and Western Australia, many of which were penal colonies. Between 1788 and 1868, approximately 164,000 British and Irish convicts were transported to these colonies onboard 806 ships. The last convict ship, Hougoumont, arrived in Western Australia in 1868.
The convicts transported to Australia included English and Welsh (70%), Irish (24%), Scottish (5%), and a small number from British outposts in India and Canada, Maoris from New Zealand, Chinese from Hong Kong, and slaves from the Caribbean (1%). The First Fleet, which arrived in Sydney Cove on 26th January 1788, included 11 ships transporting around 1,000 convicts, seamen, officers, and free people. Within a month, a group of convicts and free settlers took control of Norfolk Island, located off the coast of New South Wales.
The establishment of penal colonies in Australia was part of a broader trend of convict transportation that began in the 17th century. Initially, about 60,000 convicts were transported to British colonies in North America under the Transportation Act 1717. However, after the American Revolutionary War and the end of British rule in North America, authorities sought alternative destinations for convict transportation. This led to the establishment of penal colonies in Australia as a solution to the overcrowding of British prisons.
The conditions during transportation were appalling, with convicts enduring cramped and unhygienic conditions that led to the spread of illnesses such as cholera. Despite the challenges, the colonies in Australia became centres of agricultural production and wool supply for Britain. The Bigge Report of 1822 marked a shift in the nature of convict Australia, reducing British subsidies and promoting colonial self-sufficiency. The report also encouraged private sector development and the use of free convict labour, attracting wealthy immigrants with large land grants.
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Sydney was a convict outpost with a population of around 7,000 in 1804
In 1800, the population of Australia was approximately 350,000, with the majority of these being Indigenous Australians. The country's first colony was established in Sydney, New South Wales, in 1788, and by 1800, the city had around 3,000 non-indigenous inhabitants.
Sydney was a convict outpost, with the first fleet of 11 convict ships arriving in Botany Bay in January 1788. The colony was the first permanent European colony on the Australian continent. Within a year, convicts were becoming free as sentences expired, and within five years, 85% of this cohort were emancipated. Once emancipated, they could qualify for land grants.
By 1804, the population of New South Wales was about 7,000, with 80% being men. The merino wool industry was showing promise, and free migration was increasing. However, there was discontent with the governor and the English authority over the convicts. On March 4, 1804, an uprising took place when mainly Irish convicts working at the Government Farm seized arms and planned to march on Sydney.
The colony in Sydney was just one of several penal colonies established in Australia. Others were set up in Van Diemen's Land (Tasmania) in 1803, Queensland in 1824, and Western Australia, which commenced receiving convicts in 1850. In total, about 164,000 convicts were transported to Australia between 1788 and 1868.
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Colonisation led to the decimation of Indigenous Australians through conflict and disease
By 1800, the population of Australia was approximately 350,000 people, and the majority of these were Indigenous Australians. The British colonisation of Australia had devastating effects on Indigenous Australians, their culture, and their legacy. The Indigenous population suffered from conflict, disease, massacres, displacement, and loss of culture.
The British treated Australia as a colony of settlement, taking over Aboriginal land on the premise that the land belonged to no one ('terra nullius'). This notion of terra nullius was based on the assumption that European culture was superior to all others, and that Europeans could define the world in their terms. The British also believed that there were few 'natives' along the coast, and that the Aboriginal people were illiterate and had no fences. This belief led to the first wave of destruction, as the colonists brought with them diseases like smallpox, influenza, measles, whooping cough, tuberculosis, leprosy, and syphilis, which were unknown to the Indigenous population. The Eora people, for instance, were decimated by a disease akin to smallpox in 1789. Similarly, in less than a year, over half of the Indigenous population living in the Sydney Basin had died from smallpox. Smallpox also destroyed more than half of the population in the 1788 invasion, and those not ravaged by disease were displaced when land was cleared for settlements and farms.
The Indigenous Australians who survived the diseases were subjected to further conflict and violence. There were massacres, random killings, and punitive expeditions. The Myall Creek Massacre in 1838, for instance, involved the killing of up to 30 unarmed Indigenous Australians by ten white Europeans and one black African. Nearly 20,000 Indigenous Australians were killed by colonial violence during colonisation, and between 1,500 and 3,000 Indigenous deaths resulted from frontier conflicts. The sexual abuse and exploitation of Indigenous women and girls also caused widespread venereal diseases among Indigenous people.
The British colonisation also resulted in the stolen generations within Indigenous Australia, where Indigenous children were taken away from their communities and families. This removal of Indigenous children occurred during the early days of colonisation and continued until as recently as the 1970s. Furthermore, the Indigenous people were evicted from their traditional territories and relocated to reserves and missions. As a result, they lost many cultural practices and were denied their customs and traditions.
In conclusion, colonisation had a devastating impact on the Indigenous Australians, with thousands dying from disease and conflict, and those who survived facing displacement, loss of culture, and continued oppression.
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Frequently asked questions
By 1800, the population of Australia was approximately 350,000 people, with the majority of these being Indigenous Australians.
The population of Australia in 1800 was predominantly Indigenous, with a small but growing number of European settlers, mostly from Britain and Ireland.
Colonisation had a devastating impact on the Indigenous population, who suffered conflict, smallpox and other diseases brought by the Europeans. The Aboriginal Tasmanians, for example, were completely exterminated.
































