TjiZulu lulimi gupasi kwe Southern Bhantu mubungano yendimi dzinoyi Nguni dzinolebhgwa ku Southern Africa. Lulimi gwe MaZulu, bengaswika 12 miliyoni banhu banotjilebeka tjiZulu selulimi gozwagwa, bunji gwebanhu banolebeka tjiZulu tjozwagwa banogala kudunhu linoyi KwaZulu-Natal kuAfrica Burwa. TjiZulu lulimi gunolebelekewa kwazo kumin’ ha minjinji kuhango yeAfrica Burwa (24% mubunji gwebanhu bose bamuhango), banhu banowha kakale betjilebeleka tjiZulu banopinda 50% mubunji gwebanhu bose muhango. Lulimi gwetjiZulu gwakabe gumwe gwendimi dzili 11 dzakamilidziwha dzinohingisiwa mudzintabi dzahulumente kuAfrica Burwa ndegole la 1994.
Muzwidiyo zwinopala ndekwedzindimi, kwakawangwa kuti tjiZulu tjotebela tjiSwahili mundimi dzose dze Bhantu ndebunji bebanhu banolebeleka. Sedzimwe ndimi dzinjinji dzeBhantu, tjokwagwa kuhingisiwa alifabhethi yetjiLatin.