<P> Close to 28 million tons of rubber were produced in 2013 , of which approximately 44 % was natural . Since the bulk is synthetic , which is derived from petroleum , the price of natural rubber is determined , to a large extent , by the prevailing global price of crude oil . Asia was the main source of natural rubber , accounting for about 94 % of output in 2005 . The three largest producers , Thailand , Indonesia ( 2.4 million tons ) and Malaysia , together account for around 72 % of all natural rubber production . Natural rubber is not cultivated widely in its native continent of South America due to the existence of South American leaf blight , and other natural predators . </P>
<P> Close to 28 million tons of rubber were produced in 2013 , of which approximately 44 % was natural . Since the bulk is synthetic , which is derived from petroleum , the price of natural rubber is determined , to a large extent , by the prevailing global price of crude oil . Asia was the main source of natural rubber , accounting for about 94 % of output in 2005 . The three largest producers , Thailand , Indonesia ( 2.4 million tons ) and Malaysia , together account for around 72 % of all natural rubber production . Natural rubber is not cultivated widely in its native continent of South America due to the existence of South American leaf blight , and other natural predators . </P>
where does most of the world 's rubber come from
where does most of the world 's rubber come from
Thailand
Thailand