**White penile length measurements from institutional research:**

- 3.7 inches; University of Alberta, Canada; University of Toronto, Canada: http://www.scribd.com/doc/29971609/The-Relationships-Among-Height-Penile-Length-and-Foot-Size

- 5.1 inches; Department of Urology, St. Mary's Hospital, UK: http://onlinelibrary.wiley.com/doi/10.1046/j.1464-410X.2002.02974.x/full

- 5.6 inches; Western General Hospital, UK; Edinburgh and St John's Hospital, UK: http://www.ncbi.nlm.nih.gov/pubmed/21711435

- 5.2 inches; The Harriet Lane Handbook, John Hopkins University, USA: http://www.jpedhc.org/article/S0891-5245(09)00140-0/fulltext#tbl1

http://www.copeson.org.mx/medicos/Harriet_Lane.pdf

- 4.9 inches; University of California School of Medicine, San Francisco, USA: http://www.ncbi.nlm.nih.gov/pubmed/8683783

- 5.4 inches; Tel Aviv-Sourasky Medical Center, Israel: http://www.nature.com/ijir/journal/v12/n6/abs/3900627a.html

- 5.6-5.7 inches; Department of Urology, University of Essen, Germany: http://www.ncbi.nlm.nih.gov/pubmed/11182344

- 4.9 inches; University of Florence, Italy: http://www.ncbi.nlm.nih.gov/pubmed/11223678?dopt=Abstract

- 5.3 inches; Italian Society of Andrology, Italy: http://www.falloplastica.net/fp/content/dimensioni-pene.asp?layout=1

- 5.3 inches; Spanish Society of Andrology, Spain: http://www.pulevasalud.com/ps/subcategoria.jsp?ID_CATEGORIA=102161,

http://www.lavozdegalicia.es/hemeroteca/2001/02/05/410226.shtml

- 5.3 inches; Department of Urology, Jordan University Hospital, Jordan: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?itool=abstractplus&db=pubmed&cmd=Retrieve&dopt=abstractplus&list_uids=15510185

**Asian penile length measurements from institutional research:**

- 3.8 inches; Department of Urology, Seoul Municipal Boramae Hospital, South Korea: http://www.asiaandro.com/archive/1008-682X/5/185.htm (possibly a study of Korean men who specifically had a small penis problem)

- 5.3 inches; Department of Urology, Chosun University, South Korea: http://www.koreamed.org/SearchBasic.php?RID=1020KJU/1998.39.11.1061&DT=1

- 5.5 inches; Department of Urology, Beijing Medical University, China: http://www.scribd.com/doc/103023459/Chinese-Study-1990

- 5.3-5.4 inches; Department of Urology, Beijing Medical University, China: http://www.scribd.com/doc/103024071/Chinese-Study-1993

- 5.3 inches; Department of Urology, Beijing Medical University, China: http://www.scribd.com/doc/104414559/Chinese-Study-1994-3


**Black penile length measurements from institutional research:**

- 5.3 inches; Department of Surgery, Nnamdi Azikiwe University, Nigeria: http://www.ncbi.nlm.nih.gov/pubmed/17191423?dopt=AbstractPlus

**All known erect penis perimeter (also known as 'girth') measurements from formal, doctor-measured studies:**

- 10.9 cm EG (Caucasian Jewish study) (sample size: 55) (13.6 cm BPEL)

- 11.17 cm EG (Korean study) (sample size: 150) (13.42 cm EL, unclear if BP)

- 11.25 cm EG (Spanish study) (sample size: 582) (13.58 cm EL, unclear if BP)

- 11.46 cm EG (Indian study) (sample size: 134) (13.01 cm EL, unclear if BP)

- 11.92 cm base-shaft EG (Caucasian Brazilian study) (sample size: 150) (14.5 cm BPEL)

- 11.93 cm EG* (Taiwanese study) (sample size: 39) (13.58 cm BPEL)

- 12.11 cm EG (Korean study) (sample size: 309) (14.06 BPEL)

- 12.30 cm mid-shaft EG (US study, Wessels) (sample size: 80) (12.9 cm NBPEL)

- 12.40 cm base-shaft EG, 10.96 cm glans EG (German study, group A) (sample size: 111) (14.48 cm BPEL)

- 10.99 cm base-shaft EG, 10.42 cm glans EG (German study, group B) (sample size: 32) (14.18 cm BPEL)

- 12.50 cm mid-shaft EG, 12.48 cm base-shaft EG (Chinese study) (sample size: 200) (12.1 cm NBPEL)

Credit to original post: https://np.reddit.com/r/asianamerican/comments/18gzib/false_asian_stereotypes/

> Average frequency of having sex among 26 countries: 67%

> Percentage of adults having sex at least once a week China -> 78%

> http://i.imgur.com/VUi5BrI.png

> http://i.imgur.com/ZPDSoi3.png

[Source](http://www.vagabondish.com/hottest-most-passionate-sexually-satisfied-countries-world/)

[Source](http://chartsbin.com/view/uya)

> Average satisfaction in having sex among 26 countries: 43%

> China is 42%

> China specifically is in the same boat as Russia, Brazil and Australia

> France, Germany, Italy and even the UK all have lower satisfaction rates

> http://i.imgur.com/9A4V5TE.png

[Source](http://chartsbin.com/view/4f8)