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Penis size measurement methodology

Variations in penis size measurements due to methodology and geography

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Jan 18, 2026
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What is the average penis size in different ethnic groups according to medical research?

Medical research finds the global average erect penis length in the mid‑5‑inch range (about 13.1 cm), and studies that try to break those averages down by race or country report only small, inconsiste...

Jan 12, 2026
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how does a penis of 14 centimeter in circumference and 14 centimeter in length compare to the average penis in East-Asia?

A penis that measures 14 cm in length and 14 cm in circumference (assumed erect unless otherwise specified) is modestly longer than the typical erect length reported for Chinese and many East‑Asian co...