WASHINGTON (CNN) - Opposition to the war in Afghanistan is at an all-time high in a new national poll.
Fifty-seven percent of Americans questioned in a CNN/Opinion Research Corporation survey released Tuesday say they oppose the U.S. war in Afghanistan, with 42 percent supporting the military mission. The percentage of those in opposition to the war is up 11 points since April, and is the highest ever in CNN polling since the launch of the U.S. military involvement in Afghanistan soon after the September 11 terrorist attacks in 2001.
The poll indicates that opposition to the war is coming mainly from Democrats and independents.
"Fifty-seven percent of independents and nearly three-quarters of Democrats oppose the war. Seven in 10 Republicans support what the U.S. is doing in Afghanistan," says CNN Polling Director Keating Holland. "Democrats mildly opposed the war in April while independents and Republicans favored it. But opposition has grown 18 points among Democrats and 10 points among independents."
The poll suggests that nearly six in 10 think the U.S. can win the conflict in Afghanistan, but only 35 percent questioned in the survey say that American is currently winning the war.
"The public doesn't see Afghanistan as a lost cause," Holland says. "But there may be a lot of Americans who question whether a victory in Afghanistan is worth the cost."
The poll's release comes after the two deadliest months for the U.S. military in Afghanistan. In August, 48 U.S troops were killed in the fighting, surpassing the previous high of 45 the month before. On Monday, the top American commander in Afghanistan said in a statement that success in the conflict is achievable if the United States revises its strategy. That statement came as Gen. Stanley McChrystal submitted a long-awaited report on the state of the U.S.-led war in Afghanistan.
"The situation in Afghanistan is serious, but success is achievable and demands a revised implementation strategy, commitment and resolve, and increased unity of effort," McChrystal said in the statement.
President Barack Obama has called Afghanistan a "war of necessity" and has placed a great emphasis on defeating the Taliban and al Qaeda militants operating there and in Pakistan.
The CNN/Opinion Research Corporation poll was conducted Friday through Monday, with 1,010 adult Americans questioned by telephone. The survey's sampling error is plus or minus 3 percentage points.