The megadiverse countries those countries that are home to majority of the Earth's species and are therefore considered extremely biodiverse. The 17 mega diverse countries of the world are Australia , Brazil , China , Colombia , Democratic Republic of the Congo Ecuador , Indonesia India , Madagascar , Malaysia , Mexico , Papua New Guinea, Peru Philippines , South Africa , United States, Venezuela .
India India has 2.4 percent of the world's land area but 7-8 percent of its plant and animal species, so India is one of the 17 megadiverse countries of the world.