Jaslow, Ryan London police using 200 super-recognizers: What makes them “super”?. CBS News. September 27th 2013. http://www.cbsnews.com/8301-204_162-57605067/london-police-using-200-super-recognizers-what-makes-them-super/
Superrecognition researcher Prof. Richard Russell interviewed, estimates super-recognizers are 1 in 1,000.
Buckland, Danny Police officers’ superhuman ability to recognise faces is being used to fight crime. Express. September 1st 2013. http://www.express.co.uk/news/uk/426014/Police-officers-superhuman-ability-to-recognise-faces-is-being-used-to-fight-crime
Super-recognizer researcher Dr Ashok Jansari quoted as sharing his belief that super-recognizers are 1% (1 in 100) of the population.
Gaidos, Susan Familiar faces. Science News. Web edition August 23rd 2013, Print edition September 7th 2013. Volume 184 Number 5 p.16. http://www.sciencenews.org/view/feature/id/352687/description/Familiar_faces
“Though studies of super recognizers are just getting under way, findings suggest that about 1 percent of people are super recognizers.”
Davis, J.P., Lander, K., and Jansari, A. I never forget a face. Psychologist. October 2013. 26(10), 726-729. http://www.thepsychologist.org.uk/archive/archive_home.cfm?volumeID=26&editionID=231&ArticleID=2347
“The results from the study are being prepared for publication, but preliminary results showed that on the CFMT, there was a roughly normal distribution with fewer than 10 individuals scoring within the ‘superrecognition’ criteria of two standard deviations above the mean established by Russell et al. (2009). These results therefore support the suggestions of Russell et al., that less than 2 per cent of the population may be classified as superrecognisers.”
and how common is the opposite condition, prosopagnosia?
“The prevalence of developmental prosopagnosia in the population may be 2 per cent (Kennerknecht et al., 2006),…”