Language | Cluster | Dialects | Alternate spellings | Own name for language | Endonym(s) | Other names (location-based) | Other names for language | Exonym(s) | Speakers | Location(s) |
Igbo | | | | | | | | | | |
Ịka | | Agbor (standard form); southern and eastern varieties are more similar to Igbo | Ìḳá | | | Agbor | | | | Delta State, Ika and Orhionmwon LGAs |
Ikwere | | Northern dialects: Elele, Apanị, Ọmerelu, Ubima, Isiokpo, Ọmagwna (Ọmuegwna), Ipo, Ọmudioga, Ọmuanwa, Igwuruta, Egbedna, Alụu, Ịbaa; Southern dialects: Akpọ–Mgbu–Tolu, Ọbio, Ọgbakiri, Rụmuji, Ndele, Emọhua | Ikwerre | | Ìwhnuruò`hnà | | | | 54,600 (1950 F&J);[4] possibly 200,000 (SIL) | Rivers State, Ikwerre, Port Harcourt and Obio–Akpor LGAs |
Izii–Ẹzaa–Ikwo–Mgbo cluster | Izii–Ẹzaa–Ikwo–Mgbo | | | | | | | | 593,000 (1973 SIL) | |
Izi | Izii–Ẹzaa–Ikwo–Mgbo | | Ezzi, Izzi | | | | | | 84,000 (1950 F&J); 200,000 (1973 SIL) | Ebonyi State, Abakaliki and Ishielu LGAs; Benue State, Okpokwu LGA |
Ẹzaa | Izii–Ẹzaa–Ikwo–Mgbo | | Eza | | | | | | 93,800 (1950 F&J); 180,000 (1973 SIL) | Ebonyi State, Ezza and Ishielu LGAs; Abia State, Ohaozara LGA; Benue State, Okpokwu LGA |
Ikwo | Izii–Ẹzaa–Ikwo–Mgbo | | | | | | | | 38,500 (1950 F&J); 150,000 (1973 SIL) | Ebonyi State, Ikwo and Abakaliki LGAs |
Mgbo | Izii–Ẹzaa–Ikwo–Mgbo | | Ngbo | | | | | | 19,600 (1950 F&J); 63,000 (1973 SIL) | Ebonyi State, Ishielu LGA |
Ogbah | | Egnih (East Ogbah), South Ogbah, West Ogbah | Ogba | | | | | | 22,750 (1950 F&J) | Rivers State, Ahoada LGA |
Ẹkpẹyẹ | | According to clan names: Ako, Upata, Ubye, Igbuduya | | | | | Ekpeye, Ekpabya (by Abua), Ekkpahia, Ekpaffia | | 20,000 (1953); 50,000 (1969 Clark)[5] | Rivers State, Ahoada LGA |
Ụkwuanị–Aboh–Ndọnị cluster | Ụkwuanị–Aboh–Ndọnị | | | | | | | | 150,000 (SIL) | Delta State, Ndokwa LGA; Rivers State, Ahoada LGA |
Ụkwuanị | Ụkwuanị–Aboh–Ndọnị | Utaaba, Emu, Abbi, Obiaruku | Ukwani, Ukwali, Kwale | | | | | | | Delta State, Ndokwa LGA |
Aboh | Ụkwuanị–Aboh–Ndọnị | | Eboh | | | | | | | Delta State, Ndokwa LGA |
Ndọnị | Ụkwuanị–Aboh–Ndọnị | | | | | | | | | Rivers State, Ahoada LGA |