Who currently holds the verified record for the world's longest penis and when was it authenticated?

Checked on December 14, 2025
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Executive summary

Available reporting identifies Matt Barr as the person whose penis has been presented as the largest to be medically verified — his site and related reporting say measurements reached 37 cm (14.4 in) erect after NHS‑affiliated testing in 2024 [1]. Other widely cited claimants include Jonah Falcon (commonly reported at about 13.5 in/34 cm by his own claims) and Roberto Esquivel Cabrera (often reported near 19 in but disputed as largely foreskin/scar tissue by imaging and doctors) [2] [3] [1].

1. Who the contenders are — competing public claims

Three names dominate contemporary coverage: Jonah Falcon, long publicized for decades as unusually large and often cited at roughly 13.5 in erect (Falcon’s page and profiles) [2]; Roberto Esquivel Cabrera, widely reported to claim about 18.9–19 in but whose length has been contested as excessive foreskin or stretching rather than true penile shaft [3] [4]; and Matt Barr, who — according to his own site and reporting about medical measurement — says he was measured at ~31 cm semi‑erect and 37 cm fully erect in NHS‑affiliated testing in March 2024 and promotes a 14.4 in (37 cm) medically verified figure [1]. These are public claims and media summaries drawn from the available reporting [2] [1] [3].

2. What “verified” means in these reports

Matt Barr’s website frames his status as “independently confirmed by medical professionals” and points to measurements done in 2024 by an NHS‑affiliated study and filmed urological consultations as the basis for the 31 cm/37 cm figure [1]. By contrast, Jonah Falcon declined independent verification in many public accounts, and Roberto Cabrera’s much larger numbers were questioned after scans suggested much of the apparent length was foreskin rather than actual shaft — medical observers and CT/X‑ray reporting are cited in press coverage and specialist discussion forums [2] [4] [1].

3. Disagreement over method and recognition

There is no single, globally authoritative body publicly accepted for human penis‑length records: Guinness World Records does not list a human penis record in its searchable records or is reported to decline such categories, and other record bodies (e.g., World Record Academy) have been criticized as non‑independent or pay‑to‑play [5] [1]. That leaves “verification” dependent on which medical professionals, what imaging modality (CT, X‑ray), and whether measurements were taken flaccid, semi‑erect, or fully erect — and whether the claimant consents to independent documentation [1] [4].

4. The Roberto Cabrera controversy — flesh vs. shaft

Multiple outlets have reported that Cabrera’s near‑19 in figure was challenged after imaging showed a large, stretched foreskin and that doctors contended the underlying penile shaft was much shorter — some writeups claim the true shaft could be roughly six inches by some medical assessments [3] [6] [4]. Reporting notes that Cabrera has resisted surgical reduction advice and that critics say stretching of the foreskin can create a misleading external length [3] [6].

5. Jonah Falcon’s position — fame without medical verification

Jonah Falcon rose to public attention through documentaries and interviews that propagated his declared size; Wikipedia and profiles note he has frequently refused independent measurement, which leaves him in a zone of popular recognition but not uniform medical verification [2]. Sources say more “credible contenders” have emerged since his initial media fame [2].

6. Why Matt Barr is now presented as “medically verified” in reporting

Matt Barr’s own site and related coverage state he underwent NHS‑affiliated measurement in March 2024 with filmed urology consultations and a recorded measurement of 37 cm erect, which his promoters present as independent medical verification and the current record among those who accepted testing [1]. Reporting also notes disputes over prior scientific records and that different studies list different maximums, leaving contested ground about historical comparators [1].

7. Limits of the available reporting and unresolved questions

Available sources do not present a neutral, third‑party registry universally recognized for human penis length, nor do they show an independent, peer‑reviewed publication that adjudicated a single global “longest penis” title; much rests on self‑reporting, selective medical measurement, and media interpretation [1] [5]. Sources do not mention a Guinness World Records entry for a human penis nor a formal, universally accepted authentication protocol [5] [1].

8. Bottom line for readers

If by “verified” you mean a person who underwent medical measurement and publicized the result, reporting currently points to Matt Barr’s March 2024 NHS‑affiliated measurements (presented as 37 cm erect/14.4 in) as the most recently promoted medically verified figure [1]. If you mean an uncontested, independent global adjudication by a single recognized record authority, available sources do not show such a consensus; competing claims (Falcon, Cabrera) remain prominent and contested mainly on method and tissue measured [2] [3] [4].

Want to dive deeper?
Who holds the Guinness World Record for longest penis and what evidence was used to verify it?
What are the criteria and procedures for authenticating human body length records like penis size?
Have there been legal or ethical controversies surrounding public claims of extreme genital measurements?
Are there medical or forensic sources that document confirmed cases of unusually large penile size?
How do record-keeping organizations handle privacy and consent when verifying intimate physical records?