5,540 Afghan nationals were granted British citizenship in 2008 , down from 10,555 in 2007 .
Many whose claims were refused have not returned to Afghanistan , although the International Organization for Migration has helped some voluntarily return .
5,540 Afghanistan nationals were granted British citizenship in 2008 , down from 10,555 in 2007 .
Many whose claims were refused have not returned to Afghanistan , although the International Organization for Migration has helped some voluntarily return .