The U.S.-led coalition fighting the Islamic State group said Tuesday that the militants have lost 30 percent of the territory they once held in Iraq and Syria.

Baghdad-based spokesman Col. Steve Warren told reporters the extremists have lost 40 percent of their territory in Iraq and 20 percent in Syria, adding that they are now in a “defensive crouch.”

Since the U.S.-led coalition began launching airstrikes in 2014, Kurdish forces have pushed IS out of parts of northern Iraq, including the town of Sinjar, and driven the extremists out of a band of Syrian territory along the Turkish border. Further south, Iraqi forces and Shiite militias recaptured the Iraqi city of Tikrit last year. […]