Before revision: Since 2019 , there are four NCT groups, who debuted on the digital song sales: NCT U, NCT 127, NCT Dream and WayV
After revision: Since 2023 , there are six NCT groups, who debuted on the digital song sales: NCT U, NCT 127, NCT Dream WayV, NCT DoJaeJung, and NCT New Team (Tentative).