O je orile-ede olominira sistemu aare die alasepapo to ni ipinle ijoba 83.. 
Nígbà tí orílẹ̀-èdè Nàíjíríà gba òmìnira, àwọn agbègbè tí wọ́n tóbi jùlọ ní àsìkò náà ní apá ila oòrùn tí àwọn ẹ̀yà igbó EA, lásìkò yí yí kó ìdá 60-70% nínú iye ọmọ orílẹ̀-èdè Nàíjíríà-èdè àwọn  Hausa-Fúlàní lábẹ́ ìṣèjọba ilé Sultanate of Sokoto, ni wọ́n kó ìdá 67% lápá òkè oya, bákan náà ni àwọn yọbá ní apá ìwò-oòrùn ìwò-èdè náà kọ́ ìdá 75% 