Corn is used in mostly every thing, . Corn is thought to have originated from something grown from the natives in Balsas River Valley in southern Mexico. 
 Top countries to produce corn are:

Top Maize Producers in 2005
(million metric tons)
United States	280
China	131
Brazil	35
Mexico	21
Argentina	20
Indonesia	15
France	13
India	12
South Africa	12
Italy	11
World Total	69