Disputes—international: involved in complex dispute over the Spratly Islands with China, Malaysia, Philippines, Vietnam, and possibly Brunei; Paracel Islands occupied by China, but claimed by Vietnam and Taiwan; claims Japanese-administered Senkaku-shoto (Senkaku Islands/Diaoyu Tai), as does China

Illicit drugs: considered an important heroin transit point; major problem with domestic consumption of methamphetamines and heroin