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  2. Lists of organisms by population - Wikipedia

    en.wikipedia.org/wiki/Lists_of_organisms_by...

    More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]

  3. Global biodiversity - Wikipedia

    en.wikipedia.org/wiki/Global_biodiversity

    A May 2016 study based on scaling laws estimated that 1 trillion species (overwhelmingly microbes) are on Earth currently with only one-thousandth of one percent described, [28] [29] though this has been controversial and a 2019 study of varied environmental samples of 16S ribosomal RNA estimated that there exist 0.8-1.6 million species of ...

  4. World population - Wikipedia

    en.wikipedia.org/wiki/World_population

    [103] [104] By 2000, there were approximately ten times as many people on Earth as there had been in 1700. However, this rapid growth did not last. During the period 2000–2005, the United Nations estimates that the world's population was growing at an annual rate of 1.3% (equivalent to around 80 million people), down from a peak of 2.1% ...

  5. List of current airships in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_current_airships...

    The Spirit of Goodyear, one of the iconic Goodyear Blimps. This is a list of airships with a current unexpired Federal Aviation Administration (FAA) [1] registration.. In 2021, Reader's Digest said that "consensus is that there are about 25 blimps still in existence and only about half of them are still in use for advertising purposes". [2]

  6. Demographics of the world - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_the_world

    Earth has a human population of over 8 billion as of 2024, with an overall population density of 50 people per km 2 (130 per sq. mile). Nearly 60% of the world's population lives in Asia, with more than 2.8 billion in the countries of India and China combined. The percentage shares of China, India and rest of South Asia of the world population ...

  7. List of artificial objects leaving the Solar System - Wikipedia

    en.wikipedia.org/wiki/List_of_artificial_objects...

    The probe left the heliosphere for interstellar space at 119 AU on November 5, 2018. [4] Voyager 2 is still active. It is not heading toward any particular star, although in roughly 40,000 years it should pass 1.7 light-years from the star Ross 248. [5] Ross 248 and the Sun currently approach each other.

  8. Human presence in space - Wikipedia

    en.wikipedia.org/wiki/Human_presence_in_space

    Human presence in outer space began with the first launches of artificial object in the mid 20th century, and has increased to the point where Earth is orbited by a vast number of artificial objects and the far reaches of the Solar System have been visited and explored by a range of space probes.

  9. List of current monarchies - Wikipedia

    en.wikipedia.org/wiki/List_of_current_monarchies

    This is a list of current monarchies. As of 2024, there are 43 sovereign states in the world with a monarch as head of state . There are 13 in Asia, 12 in Europe, 9 in the Americas, 6 in Oceania, and 3 in Africa.