* World demand for ethylene exceeded 100 tonnes in 2004, and is forecast to grow to 177 million tonnes by 2020.
* World propylene demand reached over 64 million tones in 2004, and is forecast to reach 116 million tonnes by 2020.
* Demand growth for propylene is forecast to continue outpacing
* Demand for benzene is forecast to grow at an average annual rate of 2.8% per year through 2020, resulting in nearly 57 million tonnes of demand by 2020.
* Mixed xylene demand is centred in the Northeast Asia region, which currently accounts for 44% of total world demand. Demand growth is forecast to be the strongest in the Middle East, averaging around 10% per year through 2020.
These are some of the conclusions of a recent joint study by Chemical Market Associates, Inc. (CMAI) and Purvin & Gertz, Inc. The study, which presents data to 2020, addresses issues ranging from factors limited the growth of olefins and aromatics demand to shifting feedstock availability.