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six of the world's seven continents are widely and permanently inhabited; Asia is easily the most-populous continent with about 60% of the world's population (China and India together account for over 35%); Africa comes in second with over 15% of the earth's populace, Europe has about 10%, North America 8%, South America almost 6%, and Oceania ...
Distribution of river water. The total volume of water in rivers is estimated at 2,120 km 3 (510 cu mi), or 0.49% of the surface fresh water on Earth. [2] Rivers and basins are often compared not according to their static volume, but to their flow of water, or surface run off.
- Asia. Asia is the world's most populous and most extensive continent, accounting for 60% of the global population and 30% of Earth’s land mass. As of 2019, the continent had an estimated population of 4.58 billion people.
- Africa. Africa is the second most populous and second most extensive continent, with an estimated population of 1.3 billion in 2019. Africa consists of 54 sovereign states and nine territories.
- Europe. Europe occupies the westernmost part of the Eurasian supercontinent. It is separated from Asia by the Ural River, the Black and Caspian seas, the Ural and Caucasus mountains, as well as waterways that connect the Aegean and Black seas.
- North America. North America has an estimated population of 580 million, which represents 7.79% of the global population. The continent's three largest countries, Canada, the United States, and Mexico, account for approximately 90% of North America's population.
Jun 16, 2021 · We estimate that for 52% of the world’s population in 2020, the nearest river or stream is non-perennial (see Methods).
- Mathis Loïc Messager, Bernhard Lehner, Charlotte Cockburn, Charlotte Cockburn, Nicolas Lamouroux, He...
- 2021
Jul 21, 2023 · Any look at a world map of rivers and lakes will reveal that fresh water distribution is highly uneven across different regions of the world. Yet developed and developing countries alike require a lot of water for both commercial and personal use. Agriculture use alone accounts for an estimated 70% of the world’s available freshwater.
Mar 31, 2023 · Population by world region. Population by country, available from 10,000 BCE to 2100, based on data and estimates from different sources. Gapminder - Population v7 (2022); Gapminder - Systema Globalis (2022); HYDE (2017); United Nations - World Population Prospects (2022) – with major processing by Our World in Data.
Jun 13, 2021 · While we are fragmenting rivers longitudinally, we are connecting river basins and even entire continents laterally. In Europe, for example, 28,000 km of navigable canals and rivers are creating a pan-continental ecoregion, leading to an increasing homogenisation of freshwater fauna.
