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Australian and foreign born population pyramid in 2021. In 2019, 30% of the Australian resident population, or 7,529,570 people, were born overseas. [78] Australia's population has quadrupled since the end of World War I, [79] much of this increase from immigration.
Australia and New Zealand [p] 31,050,816: 0.4% N/A 2 0 0 4 Melanesia [q] ... All figures come from the 2015 Revision of the United Nations World Population Prospects.
This is the list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present.
Population density (people per km 2) by country. This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.
Cartogram of the world's population in 2018; each square represents 500,000 people. This is a list of countries and dependencies by population.It includes sovereign states, inhabited dependent territories and, in some cases, constituent countries of sovereign states, with inclusion within the list being primarily based on the ISO standard ISO 3166-1.
With only 0.3% of the world's population, Australia contributed 4.1% of the world's published research in 2020, making it one of the top 10 research contributors in the world. [ 350 ] [ 351 ] CSIRO , Australia's national science agency, contributes 10% of all research in the country, while the rest is carried out by universities. [ 351 ]
Immigrants account for 30% of the population, the highest proportion among major Western nations. [2] [3] In 2015, Australia had the 8th highest foreign-born population in the world, behind Canada but ahead of France (both countries had very close numbers to Australia).
The current world population growth is approximately 1.09%. [7] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.