world energy and economic outlook the ieo2004 projections indicate continued growth in use including large increases for developing economies of asia resources are thought to be adequate support expected through 2025 international 2004 projects strong worldwide demand over 24 year projection period from 2001 total consumption marketed 3 is expand by 54 percent 404 quadrillion british thermal units btu 623 table 1 figure 12 mid term nations largely account incre ment particular emerging develop ing which include china india projected more than double next quarter century as a whole primary consump tion grow at an average annual rate 2 7 between 13 contrast industrialized with its mature consuming much slower