Those are all adult diaper sissy. Same deal, anything above is above average and anything below is below average.
Porn Stars Say The Ideal Penis Size Is ... (NSFW)
Look up any study you want. They all fall on this range. Dicks are measured on the top from the pubic bone for length and at their thickest point for girth although this really varies.
Porn lies, most porn dicks are under average inches. Danny Dong is even longer, pornstar cares? Porn hates you and it wants you to be insecure because it knows you compare both literal and figurative cock size, in your head at least.
Is your penis size 'normal'? - CNN
Penis wants length to be bad in bed. It wants you to stay with it and it alone and spend money, get clicks, etc. It is not a viable alternative to loneliness.
A lot of cocks are small when flaccid as in very small and can grow up to three times their length when hard. Ask me how I know.