Àwọn Ògóni je eya eniyan ni Naijiria Sources vary widely about the population. Mushanga, p. 166, says "over 20 million"; Nzewi (quoted in Agawu), p. 31, says "about 15 million"; Okafor, p. 86, says "about twenty-five million"; Okpala, p. 21, says "around 30 million"; and Smith, p. 508, says "approximately 20 million".