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Biodiversity

ASSUMPTIONS
Estimated number of species in world: 8.7 million;
Number of species documented and named: 1.2 million;
(Source: PLOS Biology: How Many Species Are There on Earth and in the Ocean? (n.d.). Retrieved November 26, 2012, from http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001127)
Total number of species on the IUCN Red List of Threatened Species: 19,817;
Number of species threatened in India: 935;
(Source: IUCN Red List - Wikipedia, the free encyclopedia. (n.d.). Retrieved November 26, 2012, from http://en.wikipedia.org/wiki/IUCN_Red_List#cite_note-7)
World population, 2011: 6.9737 billion;
India' population, 2011: 1.2415 billion;
(Source: World Development Indicators and Global Development Finance - Google Public Data Explorer. (n.d.). Retrieved November 26, 2012, from http://www.google.co.in/publicdata/explore?ds=d5bncppjof8f9_&ctype=l&met_y=sp_pop_totl)