Kukho inkqubela phambili enkulu kwezemfundo: Ngaba i-1800 isengafundanga nge-88 ipesenti, eli nani le-2014 lehle kwi-15 yepesenti. Nangona kunjalo, kusekho amazwe akujikeleze iipesenti ze30 neNigeria, umzekelo. Inqanaba lemfundo likhuphuke kabukhali: igrafu ibonakalisa uhlobo lwesikolo esiphakamileyo ngokwamanani apheleleyo (i-wave ikwabonisa ukukhula kwenani labemi behlabathi) kubandakanya noqikelelo lwe-IIASA ukuza kuthi ga kunyaka we-2100.