Since 2018, 124 songs have been certified in South Korea in accordance with the certification levels set up by the Korea Music Content Association (KMCA). Established in 2008, the KMCA introduced the official South Korean charts in 2010 and record certifications were implemented in April 2018. Every song released after January 1, 2018, is eligible for a certification. The KMCA divides certification for songs in streaming and downloads. For songs released before 2018, Gaon published the Gaon Observation Board that record songs that reach 100 million streams and 2.5 million downloads.