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1845–1855 – The Great Famine results in no less than 2.1 million people fleeing Ireland. As well, roughly 1 million people died. The population of Ireland fell from 8.18 million in 1841 to 6.55 million in 1851, though the population continued to fall until 1946. The population of Ireland remains lower than recorded in 1841 in the present day.
2020 [1] Prefecture-level city (urban) Rio de Janeiro Brazil 6,211,223 South America 2022 [34] Municipio: Qingdao China 6,165,279 Asia 2020 [1] Prefecture-level city (urban) Kolkata India 6,112,874 Asia 2020 [35] Municipal corporation: Singapore Singapore 6,040,000 Asia 2024 [36] Sovereign state: Suzhou China 5,892,892 Asia 2020 [1] Prefecture ...
Map showing urban areas with at least one million inhabitants in 2020. In 1800, only 3% of the world's population lived in cities, a figure that rose to 47% by the end of the twentieth century. In 1950, there were 83 cities with populations exceeding one million; by 2007, this number had risen to 468, [18] with 153 of them located in Asia ...
This is a list of towns and cities in the world believed to have 100,000 or more inhabitants, sorted by countries. Unless otherwise noted, populations are based on United Nations estimates from 2022. Unless otherwise noted, populations are based on United Nations estimates from 2022.
Metropolitan area Country Population Year Notes Mexico City Mexico 21,804,515 2020 [1]New York United States 19,563,798 2022 New York-Newark-Jersey City, NY-NJ Metro Area [2]
A satellite image of the Pearl River Delta area in China. A megalopolis (/ ˌ m ɛ ɡ ə ˈ l ɒ p ə l ɪ s /) or a supercity, [1] also called a megaregion, [2] is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. [2]
Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer [2]. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, [3] the Latest Permian extinction event, [4] the End-Permian extinction event, [5] [6] and colloquially ...
Earth's land use in 2019, built-up erea being estimated as 1.5 million square kilometers. In 1950, 764 million people or about 30 percent of the world's 2.5 billion people lived in urban areas. By 2014, it was 3.9 billion or about 53 percent of the world's 7.3 billion people that lived in urban areas.