UNODC：2026年阿富汗毒品使用评估报告（英文版）

Persistent data collection constraints and gaps in representativeness impede a fully comprehensive analysis. Data collection in Afghanistan remains difficult, particularly in measuring stigmatized behaviours such as drug use. For this assessment, operational constraints and restrictions imposed by De Facto Authorities (DfA) limited proper sampling and data collection, affecting the geographical coverage and gender distribution. As a result, some regions, especially in the South and East, are