Index/Topics/Penis size studies

Penis size studies

Studies about penis size, including length and girth, and their variations across different regions and time

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Jan 13, 2026
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What are the most recent studies on average penis size for gay men in the United States?

Recent research does not offer a single, up-to-date measured average penis size specific to gay men in the United States; most contemporary large-scale, clinician-measured reviews report average erect...

Jan 12, 2026
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Which studies report penis size percentiles and sample sizes?

Three types of studies report penis-size percentiles and sample sizes: large systematic reviews and nomogram-building meta-analyses that pool many clinic-measured studies, country-level prospective st...

Jan 18, 2026
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A 7 inch long penis with 5.5 girth

A penis that is 7 inches long with a 5.5‑inch girth is larger than typical by length and around or slightly above many reported averages for circumference; medically and statistically it sits well abo...

Jan 26, 2026

How do measurement methods (self‑measured vs clinician‑measured) change average penis size estimates?

Studies that use clinicians to measure penises produce consistently lower average erect lengths—around 13.1 cm (5.1 in)—than many , which often return higher means (sometimes >14 cm and in a few repor...

Jan 30, 2026

University of Copenhagen - Urological Research Center and Andrology 2015, is there a source from this time and from this instituion that concluded that denmark had average penis girth of 5.22 inches?

A careful review of the 2015 literature shows a widely cited systematic review in (, 2015) that pooled measurements from 15,521 men and reported average girth values of about 9.31 cm (3.66 in) flaccid...

Jan 27, 2026

How to french people perceive penis size

treats as both a medical/statistical curiosity and a social non-issue: clinical and popular measurements circulate in the press, while and cultural commentators in France often stress technique, confi...