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An image of Afro-Eurasia, the largest landmass on Earth. A landmass, or land mass, is a large region or area of land that is in one piece and not noticeably broken up by oceans. [1] [2] The term is often used to refer to lands surrounded by an ocean or sea, such as a continent or a large island.
Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies, ranked by total area, including land and water. This list includes entries that are not limited to those in the ISO 3166-1 standard, which covers sovereign states and dependent territories.
A continent is any of several large geographical regions. Continents are generally identified by convention rather than any strict criteria. A continent could be a single landmass or a part of a very large landmass, as in the case of Asia or Europe. Due to this, the number of continents varies; up to seven or as few as four geographical regions ...
The continent, which has long been home to the majority of the human population, [12] was the site of many of the first civilisations. Its 4.7 billion people [13] constitute roughly 60% of the world's population. [14] Asia shares the landmass of Eurasia with Europe, and of Afro-Eurasia with both Europe and Africa.
Originally, "Eurasia" is a geographical notion: in this sense, it is simply the biggest continent; the combined landmass of Europe and Asia. However, geopolitically, the word has several meanings, reflecting specific geopolitical interests. [19] "
Pangaea, the supercontinent that existed about 200 million years ago and combined most of dry land on Earth into one giant landmass (according to the BBC), is well known.
Australia, the largest landmass in the continent, is highly urbanised, [10] and has the world's 14th-largest economy with the second-highest human development index globally. [11] [12] Australia also has the world's 9th largest immigrant population. [13] [14]
Although not a supercontinent, the current Afro-Eurasian landmass contains about 57% of Earth's land area. In geology, a supercontinent is the assembly of most or all of Earth's continental blocks or cratons to form a single large landmass.