The 2021 National Census of Nepal identified 142 ethnic groups within the country. Here are some of the major ones:

Indo-Aryan groups:

  • Chhetri
  • Brahmin-Hill

Tibeto-Burman groups:

  • Magar
  • Tamang
  • Newar
  • Gurung
  • Sherpa

Other groups:

  • Madheshi
  • Tharu

Read more on the wiki.