The forecast is a sharp step up from the prior projection of 2.8%. Moreover, it is much higher than the 2.7% Fed officials estimated.

The organization, comprised of 38 of the world’s most advanced economies, said the conflict in the Middle East was testing the "resilience of the global economy."

The forecast is a sharp step up from the prior projection of 2.8%. Moreover, it is much higher than the 2.7% Fed officials estimated.