
The first humans are believed to have arrived in Australia between 50,000 and 65,000 years ago. These early settlers are thought to be the ancestors of today's Aboriginal Australians. They likely migrated from Maritime Southeast Asia, though the route they took is still debated by archaeologists. Some evidence suggests that they travelled by sea, island-hopping from Timor to Australia. Others argue that they arrived by land when Australia was still part of a larger landmass called Sahul, which included New Guinea and Tasmania.
| Characteristics | Values |
|---|---|
| Migration period | Between 50,000 and 65,000 years ago |
| Migration type | Sea voyage |
| Migrant origin | Africa |
| Migrant descendants | Aboriginal Australians, Papua New Guinean Highlanders, Mamanawa people of the Philippines |
| Migrant population | 100-400 people |
| Migration route | Via island-hopping from Asia to Australia, possibly from Timor/Roti to the Kimberley coast |
| Tools | Stone tools, charcoal, campfires |
| Settlement | Sydney, Parramatta, Penrith, Arnhem Land, Madjedbebe, Lake Mungo, Parramatta, Penrith, Cranebrook Terraces, Swan River |
| Population | 30% of the population born overseas |
| Population as of 2021 | 25.5 million |
| Agriculture | Fire-stick farming, fish farming, horticulture |
| Trade | Trade with Asia |
| Military | Participated in the Boer War and World Wars as part of the British Empire and Commonwealth |
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What You'll Learn
- Aboriginal Australians have been in the country for 50,000-65,000 years
- They migrated from Africa via Asia
- Rising sea levels separated Australia from New Guinea 8,000 years ago
- European exploration and colonisation began in the 17th century
- Post-WWII immigration has increased Australia's population diversity

Aboriginal Australians have been in the country for 50,000-65,000 years
The first humans are thought to have migrated to Australia from Asia by island hopping across the Torres Strait, which was a land bridge at the time. This journey required sea travel, making them some of the world's earliest mariners. The Aboriginal Australians then spread out across the continent, occupying the entire continent by around 10,000 years ago.
The Aboriginal Australians formed many linguistic and territorial groups, with about 600 tribes or nations and 250 languages with various dialects. They developed complex trade networks, inter-cultural relationships, laws, and religions, and they engaged in fire-stick farming, fish farming, and built semi-permanent shelters.
The Aboriginal rock art, dated by modern techniques, shows that their culture has continued from ancient times. The Dreaming, a system of belief held by many Aboriginal Australians, accounts for their origins from a time when people had always been in Australia since the land was created.
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They migrated from Africa via Asia
The first people to arrive in Australia are believed to have been the ancestors of modern Aboriginal Australians. They migrated from Africa via Asia, and scientists estimate that they arrived in Australia between 50,000 and 65,000 years ago. This is supported by mitochondrial DNA research, which indicates that Aboriginal people reached the Eyre Peninsula in South Australia between 49,000 and 45,000 years ago.
The journey from Africa to Australia involved a series of hazardous sea voyages across island southeast Asia. The final voyage, likely between Timor/Roti and the northern Kimberley coast, would have required advanced planning skills and a large group of people. This migration occurred during a period of glaciation, when New Guinea and Tasmania were joined to the Australian continent, forming a landmass known as Sahul. The sea still presented a significant obstacle, and it is theorized that ancestral people reached Australia by island-hopping, taking advantage of the winds that blow strongly from Timor towards Australia.
The Aboriginal people have no cultural memory of living outside Australia, and their traditional beliefs state that they have always been in Australia as part of the Dreaming, the time of creation. However, scientific evidence suggests that they are descended from a group that left Africa and settled in different places over thousands of years. This is supported by the presence of Neanderthal DNA, which is found in Aboriginal populations and indicates their connection to the original diaspora out of Africa.
The migration of these early humans into Australia is considered one of the greatest achievements of early humans, as it provides the first unequivocal evidence of a major sea crossing. The settlement of Australia also coincides with the extinction of Australia's megafauna around 42,000 years ago. The oldest human fossil remains found in Australia date back approximately 40,000 years, with evidence of human activity at Keilor reaching nearly 40,000 years. These early humans showed a wide range of physical variation and had more robust skeletons compared to modern Aboriginal people.
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Rising sea levels separated Australia from New Guinea 8,000 years ago
Australia has a rich and complex history of human occupation, with the earliest archaeological evidence of human presence dating back around 65,000 years. However, the physical appearance and characteristics of these early inhabitants remain unknown.
Over time, Australia experienced significant changes in its geography due to fluctuating sea levels. For much of its history, Australia was connected to other landmasses, forming a larger continent known as Sahul. Sahul included the present-day landmasses of mainland Australia, Tasmania, New Guinea, and the Aru Islands. This supercontinent enjoyed an extensive land bridge across the Arafura Sea, the Gulf of Carpentaria, and the Torres Strait, facilitating travel and trade between these regions.
Approximately 8,000 years ago, rising sea levels caused by global warming and the melting of ice sheets led to the separation of New Guinea from mainland Australia. This event, known as the flooding of the Torres Strait and the creation of the Gulf of Carpentaria, resulted in a significant loss of landmass and a transformation of coastlines. The separation of Sahul into distinct landmasses marked a pivotal moment in the geographical history of the region.
The Aboriginal people of Australia have a deep connection to New Guinea, supported by genetic evidence revealing close ties between the Indigenous populations of these regions. The separation of Australia and New Guinea did not completely halt interaction between the two groups. Trade and cultural exchanges continued across the newly formed Torres Strait, with intermediary islands and reefs providing convenient stopping points for seafaring voyages.
The human history of Australia is a fascinating narrative of migration, adaptation, and resilience. The arrival of European explorers and colonists in the 18th and 19th centuries brought about significant changes and conflicts with the Indigenous populations. The relative isolation of Aboriginal communities for thousands of years made them particularly vulnerable to introduced diseases, resulting in devastating losses. Despite these challenges, the Aboriginal people of Australia have persevered, and their rich cultural heritage continues to be an integral part of the country's history and present-day society.
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European exploration and colonisation began in the 17th century
European exploration of Australia began in February 1606 when Dutch navigator Willem Janszoon landed on the Cape York Peninsula. In October of the same year, Spanish explorer Luís Vaz de Torres sailed through and navigated the Torres Strait Islands. Twenty-nine other Dutch navigators explored the western and southern coasts in the 17th century, dubbing the continent New Holland. Most of the explorers of this period concluded that the apparent lack of water and fertile soil made the region unsuitable for colonisation.
In the 17th century, Dutch explorers made the first recorded European sightings of, and first recorded landfalls on, the Australian mainland. The Duyfken, captained by Willem Janszoon, was the first ship to chart the Australian coast and meet with Aboriginal people. Janszoon sighted the coast of Cape York Peninsula in early 1606 and made landfall on 26 February at the Pennefather River near the modern town of Weipa on Cape York. The Dutch charted the whole of the western and northern coastlines during the 17th century but made no attempt at settlement.
William Dampier, an English explorer and privateer, landed on the northwest coast of New Holland in 1688 and again in 1699 on a return trip. He published influential descriptions of the Aboriginal people.
In the century that followed, the British established other colonies on the continent, and European explorers ventured into its interior. By the middle of the 17th century, the discoveries of Dutch explorers allowed the almost complete mapping of Australia's northern and western coasts and much of its southern and south-eastern Tasmanian coasts.
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Post-WWII immigration has increased Australia's population diversity
Post-WWII immigration has significantly contributed to Australia's population diversity. Between 1945 and 1965, two million immigrants arrived in Australia, marking a notable shift in the country's immigration patterns. This period witnessed the emergence of the slogan "'populate or perish,'" reflecting the Australian government's recognition of the urgent need to increase the country's population for defence and development purposes.
During the post-WWII era, Australia experienced a significant influx of immigrants from outside the United Kingdom and Ireland, marking a departure from previous immigration trends. This diversity was further enhanced by the arrival of the first government-sanctioned non-British migrants, adding to the growing multicultural fabric of the nation. The Assisted Passage Migration Scheme, also known as the "Ten-Pound Pom" scheme, attracted many war-weary British citizens, with over 400,000 registering by 1947.
The post-war immigration wave brought large numbers of southern and central Europeans to Australia, with migration policies slowly evolving to accept migrants from eastern Europe as well. From the late 1940s to the early 1950s, carefully selected temporary migrants from the Middle East and Asia also contributed to this diverse population growth. This diversity continued to evolve, and by 1996, the percentage of the Australian population born in Australia or another English-speaking country had dropped to 86%, down from 98% in 1947.
Financial assistance played a crucial role in attracting immigrants to Australia. The booming manufacturing industry and government-assisted programmes, such as the Snowy Mountains Scheme, offered employment opportunities for newcomers. Additionally, the Australian economy stood in stark contrast to war-ravaged Europe, making it an attractive destination for those seeking a fresh start.
The impact of post-WWII immigration on Australia's population diversity is evident in the numbers. Between 1945 and 2000, immigration accounted for 59% of the country's population increase, with more than one-fifth of Australians being born overseas. This trend is expected to continue, with Australia likely becoming even more diverse as immigrants continue to shape the country's society, economy, and settlement patterns.
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Frequently asked questions
Humans likely first arrived in Australia between 50,000 and 65,000 years ago.
The first Australians likely came from somewhere else, with genetic evidence suggesting that Aboriginal Australians are descended from a group that left Africa and settled in different places after a journey of several thousand years.
The first people likely arrived in Australia by sea, during a period of glaciation when the sea levels were much lower than they are today. Australia and New Guinea formed a single landmass known as Sahul, connected by a land bridge. People may have reached Australia by island hopping, either following an island chain between Sulawesi and New Guinea or reaching North Western Australia via Timor.
The first Australians were hunter-gatherers with diverse economies and societies. They used stone tools and fire, with evidence of human activity in Keilor, near Melbourne, dating back nearly 40,000 years.
Non-Indigenous people first arrived in Australia in 1688 when English explorer William Dampier landed on the northwest coast. The First Fleet of colonists arrived in Sydney Cove in January 1788, with a group of about 1,300 people.











































