Australian , Australian troops to leave Iraq by 2011 , Iraqi Defense Ministry says . Britain has 4,100 troops in Iraq , the second-largest contingent after the United States with 142,500 . Britain has 142,500 troops in Iraq , the second -largest contingent behind U.S. Britain forces plan to withdraw from Iraq by end of mid-2009 .
Australian , Australian troops to leave Iraq by 2011 , Iraqi Defense Ministry says . Britain has 142,500 troops in Iraq , the second -largest contingent behind U.S. Britain forces plan to withdraw from Iraq by end of mid-2009 .