Cost of conflict
Human and financial toll of 20 years fighting the Taliban
10,500
Nato troops at present; 3,500 from the US
$2trn
Total spending on invasion and reconstruction by the US
100,000
US troops at peak in 2011
$10bn
Spending on counternarcotic operations in the country
50,000
Active Taliban fighters plus tens of thousands of part-time armed men and facilitators
27,000
Bombs dropped on Afghanistan by the US since 2013
43,000
Civilian deaths
2,400
American servicemen killed. 454 British troops lost their lives