The average erect penis length is 13.12 centimeters globally. Self-reported estimates typically overstate this figure by over two centimeters. This article details the clinical averages, regional variations, and age-related changes.
Key Takeaways
- Erect length peaks at age 20-30 then declines
- Average erect penis length in global meta-analysis is 13.12 cm
- Average flaccid length 9.16 cm globally
- Erect lengths higher in African populations by 1-2 cm avg.
- Self-reported erect lengths overestimate by 1.3 cm
Most men fall within a typical average range, with individual variation still being completely normal.
Related reading
02 · Category
Erect Length Averages30 stats
01
Average erect penis length in global meta-analysis is 13.12 cm
02
Average stretched flaccid length is 13.24 cm from 15,000 men
03
Erect length mean 14.9 cm in Brazilian men (n=150)
04
US men erect average 12.9 cm (self-reported)
05
Italian men erect 16.78 cm (Ponchietti et al.)
06
Korean erect mean 13.42 cm (n=150)
07
Turkish erect 13.98 cm (n=113)
08
Colombian erect 14.58 cm (n=645)
09
Global erect mean 13.58 cm from 55 studies
10
Erect length 12.5 cm in India (promotional study)
11
Nigeria erect 17.33 cm (Orakwe)
12
Japan erect 13.56 cm (Matsushita)
13
Canada erect 15.87 cm (self-report)
14
UK erect 13.92 cm (Veale meta)
15
Australia erect 13.8 cm (survey)
16
Mexico erect 14.9 cm (n=300)
17
Thailand erect 10.78 cm (flaccid data adjusted)
18
Egypt erect 13.37 cm (n=70)
19
Iran erect 11.58 cm (self-report)
20
Russia erect 13.0 cm (estimate)
21
France erect 15.7 cm (self-report)
22
Germany erect 14.48 cm
23
Spain erect 13.58 cm
24
Netherlands erect 15.87 cm
25
Congo erect 17.93 cm (self-report)
26
Ecuador erect 17.61 cm
27
Ghana erect 17.30 cm
28
Venezuela erect 17.39 cm
29
Sudan erect 17.59 cm (top ranked)
30
DR Congo erect 17.93 cm
Interpretation
Erect Length Averages Interpretation
Across these erect length averages, the global meta-analysis centers around 13.12 cm while country figures vary widely from 12.9 cm in the US to 16.78 cm in Italy, showing that “average erect length” can differ substantially by population.
03 · Category
Flaccid Length Averages27 stats
01
Average flaccid length 9.16 cm globally
02
Flaccid girth 9.31 cm mean
03
Brazilian flaccid 12.2 cm stretched
04
US flaccid 8.8 cm (self)
05
Italian flaccid 9.0 cm
06
Korean flaccid 8.31 cm
07
Turkish flaccid 9.1 cm
08
Colombian flaccid 9.38 cm
09
Indian flaccid 8.21 cm
10
Nigerian flaccid 9.78 cm
11
Japanese flaccid 8.46 cm
12
UK flaccid 9.08 cm
13
Australian flaccid 8.9 cm
14
Mexican flaccid 9.5 cm
15
Thai flaccid 7.9 cm
16
Egyptian flaccid 10.47 cm
17
Iranian flaccid 9.58 cm
18
Russian flaccid 9.5 cm
19
French flaccid 9.8 cm
20
German flaccid 9.8 cm
21
Spanish flaccid 9.5 cm
22
Dutch flaccid 9.9 cm
23
Congolese flaccid 10.5 cm est.
24
Ecuadorean flaccid 10.3 cm est.
25
Ghanaian flaccid 10.2 cm est.
26
Venezuelan flaccid 10.1 cm est.
27
Sudanese flaccid 10.4 cm est.
Interpretation
Flaccid Length Averages Interpretation
Across the flaccid length averages, the global typical length is about 9.16 cm and most country figures cluster between roughly 8.31 cm and 9.0 cm, suggesting flaccid size is generally consistent worldwide while the Brazilian figure stands out at 12.2 cm.
More related reading
04 · Category
Regional Variations20 stats
01
Erect lengths higher in African populations by 1-2 cm avg.
02
East Asian erect averages 12-13 cm vs Caucasian 13-14 cm
03
South American erect 14-15 cm in multiple studies
04
Middle Eastern erect 13-14 cm avg.
05
European variation 13.5-15 cm by country
06
Sub-Saharan Africa highest at 16+ cm self-reports
07
Southeast Asia lowest erect ~11-12 cm
08
North America 13-14 cm mixed ethnicity
09
Oceanic populations 13.5-14 cm
10
Indian subcontinent 12-13 cm clinical
11
Scandinavians erect 14.5+ cm
12
Mediterraneans 13-14 cm
13
Latin America erect higher than Asia by 2 cm
14
Black Americans 14.2 cm vs White 13.8 cm (disputed)
15
Hispanic erect 14.0 cm avg.
16
East European 13.5 cm
17
South African 15.2 cm (Zulus)
18
Chinese erect 12.9 cm (n=5000)
19
Bolivian erect 16.5 cm self-report
20
Indonesian erect 11.2 cm
Interpretation
Regional Variations Interpretation
Regional variations in erect penis length show a clear split where South American studies commonly find 14 to 15 cm and Middle Eastern averages land around 13 to 14 cm while sub Saharan Africa reports 16+ cm and even African populations overall run about 1 to 2 cm higher than others.
05 · Category
Self Reported Vs Measured21 stats
01
Self-reported erect lengths overestimate by 1.3 cm
02
Measured erect 13.12 cm vs self-report 15.5 cm avg.
03
Clinical bone-pressed erect more accurate than non
04
Self-report bias +2 cm in surveys
05
Stretched flaccid correlates 0.9 with erect
06
Volunteer bias inflates self-reports by 10%
07
Measured Italian 12.5 cm vs self 16 cm
08
Korean clinical 13.42 cm reliable
09
Self-report girth overestimated 1.5 cm
10
Meta-analysis shows self-report +19% error
11
Clinic patients measured accurately no bias
12
Online surveys 20% higher than clinical
13
Kinsey self-reports 15.9 cm unreliable
14
Measured vs self in Brazil 14.9 vs 16.5 cm
15
Non-bone pressed underestimates by 0.5 cm
16
Self-report in Asia higher bias than Europe
17
Verified measurements prefer staff-measured
18
Surveys like Durex self-report inflated globally
19
Clinical erect length std dev 1.66 cm
20
Self girth 12.2 cm vs measured 11.66 cm
21
Penis enlargement patients self-report biased
Interpretation
Self Reported Vs Measured Interpretation
For the self reported versus measured comparison, self reports consistently run high, with averages like 15.5 cm versus measured 13.12 cm and an overall survey bias of about plus 2 cm, meaning self reported erect lengths tend to overestimate by roughly 1.3 cm on average.
report visual · Comparison
Erect length by age: peak in young adulthood, decline with age
Average erect length peaks around ages 18–30 and is lower in older age groups.
Post-50 shrinkage 1 cm due to fat pad-50
Erect length peaks at age 20-30 then declines
20
Men 18-30 avg 13.5 cm erect, 40+ 12.8 cm
18
Longitudinal study shows -0.2 cm per decade post-40
-0.2
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Nathan Caldwell. (2026, February 13). Penis Length Statistics. Gitnux. https://gitnux.org/penis-length-statistics
MLA
Nathan Caldwell. "Penis Length Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/penis-length-statistics.
Chicago
Nathan Caldwell. 2026. "Penis Length Statistics." Gitnux. https://gitnux.org/penis-length-statistics.
Sources & references
13 datasets cited across this report · attribution is report-level