The average length of the penis during erection is 13.84 cm, and its circumference is 11.91 cm. Scientists obtained such data based on the results of 33 studies that included almost 37,000 men: in a relaxed state, the average length was 9.22 cm; the highest figure was in America - 14.47 cm; in Europe and Africa - about 12.6 cm, in Asia - 10.88-11.57 cm; At the same time, many men, who focus on porn, see 18-20 cm as the norm.