Thirteen parties won seats in the National Assembly, IEC chairwoman Pansy Tlakula announced on Saturday.
"A record of 29 parties contested these elections," she said at the release of the final election results in Pretoria.
"Out of these, 13 have received sufficient votes to have representation in the National Assembly."
The ANC received 249 seats while the official opposition, the Democratic Alliance received 89 seats.
Newcomers the Economic Freedom Fighters received 25, the third highest number, while the Inkatha Freedom Party received 10 and its breakaway party the National Freedom Party received six.
The United Democratic Movement and the Freedom Front Plus both received four seats, while the Congress of the People, AIC and the African Christian Democratic Party secured three seats each.
Mamphela Ramphele's Agang SA got two seats.
The African People's Convention and the Pan Africanist Congress received one seat each.