In general, the average penis length is slightly longer in black or African American men compared to other ethnic or racial groups. The average length in this group is 14.75 cm, but by comparison, the average white or Caucasian penis size is only a quarter of a centimeter smaller, at 14.5 cm.
Historically, Black men were described as sub-human, animalistic, and lust-driven. This reasoning concludes that Black men are a sexual threat to society and are prone to raping White women. This idea is vividly depicted within the D.W. Griffith film "Birth of a Nation."
A 2005 study reported that "there is no scientific background to support the alleged 'oversized' penis in black people".  A study of 253 men from Tanzania found that the average stretched flaccid penis length of Tanzanian males is 11 cm (4.53 inches) long, smaller than the worldwide average, stretched flaccid penis length of 13.24 cm (5.21 inches), and average erect penis length of 13.12 cm (5.17 inches).
For a fact, it is said that white male anger against the black male is because the black man has a penis thrice the size of a white man’s biggest penis size. Penis Enlargement creams, pills and procedures are advertised all over on social media.
Black men’s oversized genitals were cited as evidence that they were “savage” and “animalistic;” outside the bounds of “normal” (read: white) sexuality and civilization.
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Largest Human Penis – Jonah Falcon. NYC native Jonah Falcon measures in at 13.5 inches erect and 8 inches flaccid – more than double the average. That qualifies him for his spot in the Guinness Book as having the largest penis on a living man.
Roberto Esquivel Cabrera's penis is so big that it causes him health issues Credit: Barcroft Media “I am famous because I have the biggest penis in the world,” he told Barcroft TV.