Palm oil having highest yield per hectare. About two-thirds of the total fat oil production is supplied by oil seeds, with palm oil having maximum share of 33%. Copra, cotton, palm, peanut, rapeseed, soybean and sunflower are the oil seed crops which dominate the international markets for trade purpose
There are about 40 different oil seeds whose oil can be consumed but only a few are significant in the total world trade. Among the oil seed crops, soybean is the major contributor in world oil seed economy followed by rapeseed mustard, cotton, peanut and sunflower.
The most important tropical oil seeds are the coconut, palm kernels and groundnut. The major oil seed producing areas are in the temperate zones.