Penile Anthropometry by Country

small_penisPenile length and girth variation by country, no analysis or guarantee (go to primary sources for yourself), HERE [updates pending]

More Chinese studies (in Chinese) HERE

Update 2013-07-13: A new self-reported study on US men has been published and the comments seem to indicate that some US men are not too happy about being judged by the size of their ‘jewels.’