US oil supply growth will slow down to 4.1 million barrels per day in the next six years, Birol added.
"What we see is that supply growth is going to slow down substantially. In the last six years we have seen 11 million barrels per day growth in supply, half of it coming from the United States, [which] slows down to 4.1 million barrels per day," Birol told reporters at the presentation of the IEA Medium-Term Oil Market Report.
Birol explained that the slowdown is taking place due to the decline in investment and low oil prices.
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