The Agency said coal would continue to meet 22% of all energy needs in 2030, down marginally from its current level of 23%.
Coal demand was projected to increase by 1.4% per annum until 2030. Increased demand will be mainly absorbed by power stations for power generation.
The World Coal Institute said Asian countries would see the most increase in demand for coal, with China and India alone accounting for 68% of increased demand through to 2030.
It said demand from the Organisation for Economic Cooperation and Development countries would depend on climate change policies and the use of advanced clean coal technologies.