The longest war: Cost of the Afghanistan war, in lives and dollars

At just short of 20 years, the now-ending US combat mission in Afghanistan was America’s longest war. 

Here’s a look at the US-led war in Afghanistan, by the numbers, as the Taliban in a lightning offensive take over much of the country before the United States’ August 31 deadline for ending its combat role and as the US speeds up American and Afghan evacuations.

Percentage of US population born since the 2001 attacks plotted by al-Qaida leaders who were sheltering in Afghanistan: Roughly one out of every four