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Number of species on earth 2018, by vertebrate group and biogeografic realm

The statistic above represents the number of species on earth as of 2018, broken down by vertebrate group and biogeographic realm. In 2018, there were some 1,500 species of birds and 320 species occupying the Afrotropical realm.

Number of terrestrial and freshwater species as of 2018, by vertebrate group and biogeografic realm

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Source

Release date

October 2018

Region

Worldwide

Survey time period

2018

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