Myanmar’s Opium Poppy Cultivation Hits Decade High Amid Ongoing Civil War: UN Survey Opium poppy cultivation in Myanmar reached its highest level in a decade this year as the nation engaged in a civil war remains one of the world's primary suppliers of illicit drugs, according to a United Nations survey. The growth solidifies Myanmar's position as the world's main known source of illicit opium, especially following sharp declines in production in Afghanistan after the ruling Taliban imposed a ba