North Korea embeds language crackdown into constitution, tightening control over South Korean slang

North Korea’s 2026 constitutional revision enshrined the Pyongyang Cultural Language Protection Act, which bans South Korean slang such as “jagiya,” “oppa” and “jjokpalrida,” into the nation’s supreme legal document. The change bolsters an existing campaign that already imposes capital punishment and public executions for violations. Party committees, workers’ groups, the Women’s Union, Youth League and trade unions have held mandatory lectures in Pyongyang and Sinuiju, urging strict adherence to the Pyongyang Cultural Language.

Surveillance now relies on mutual reporting, surprise phone checks, and smartphone software that automatically flags or replaces prohibited words. Penalties differ by region and social status, with poorer citizens facing harsher treatment. While public compliance has risen, many continue to use the banned expressions in private, indicating a subtle form of everyday resistance. Experts say the constitutional upgrade signals both the regime’s determination and its acknowledgement that prior measures failed to eradicate the linguistic influence from the South.