Total primary energy demand in India is likely to rise by 22 million barrels of oil equivalent per day by 2020 and by 21 mboe / d in China compared with 2015 levels , according to the OPEC World Oil Outlook 2040 report . India’s income level is expected to increase almost threefold, reaching around $22,500 (2011 PPP) in 2040. India and China together are expected to account for 50 % of the increase in global primary energy demand in 2040 . The OPEC report also said $ 11tn of investment in the global oil and gas industry was required to meet the increased demand and that oil will remain the biggest contributor to the energy supply in 2040 .
Total primary energy demand in India is likely to rise by 22 million barrels of oil equivalent per day by 2020 and by 21 mboe / d in China compared with 2015 levels , according to the OPEC World Oil Outlook 2040 report . India and China together are expected to account for 50 % of the increase in global primary energy demand in 2040 . The OPEC report also said $ 11tn of investment in the global oil and gas industry was required to meet the increased demand and that oil will remain the biggest contributor to the energy supply in 2040 .