Figures From U.S.-Led Coalition Show Heavy 2014 Losses for Afghan Army

The Afghan Army lost more than 20,000 fighters and others last year largely because of desertions, discharges and deaths in combat, according to figures to be released Tuesday, casting further doubt on Afghanistan’s ability to maintain security without help from United States-led coalition forces.

The nearly 11 percent decline from January to November 2014, to roughly 169,000 uniformed and civilian members from 190,000, is now an issue of deep concern among some in the American military. For example, the former No. 2 American commander in Afghanistan, Lt. Gen. Joseph Anderson, called the rate of combat deaths unsustainable before he departed at the end of last year.

Concern over how soon Afghan forces will be ready to stand on their own is one reason that the Obama administration is weighing whether it should slow the withdrawal of American troops, the bulk of whom are supposed to be out by the end of 2016.