Disputes - international:
Afghan, Coalition, and Pakistan military meet periodically to clarify the alignment of the boundary on the ground and on maps; Afghan and Iranian commissioners have discussed boundary monument densification and resurvey; Iran protests Afghanistan's restricting flow of dammed Helmand River tributaries during drought; Pakistan has sent troops across and built fences along some remote tribal areas of its treaty-defined Durand Line border with Afghanistan which serve as bases for foreign terrorists and other illegal activities; Russia remains concerned about the smuggling of poppy derivatives from Afghanistan through Central Asian countries
Refugees and internally displaced persons:
refugees (country of origin): 2,972 (Pakistan) (2011)
IDPs:
481,877 (mostly Pashtuns and Kuchis displaced in the south and west due to drought and instability) (2012)
Illicit drugs:
world's largest producer of opium; while poppy cultivation was relatively stable at 119,000 hectares in 2010, a poppy blight affecting the high cultivation areas in 2010 reduced potential opium production to 3,200 metric tons, down over 40 percent from 2009; the Taliban and other antigovernment groups participate in and profit from the opiate trade, which is a key source of revenue for the Taliban inside Afghanistan; widespread corruption and instability impede counterdrug efforts; most of the heroin consumed in Europe and Eurasia is derived from Afghan opium; vulnerable to drug money laundering through informal financial networks; regional source of hashish (2008)