<P> The prevalence of circumcision is the percentage of males in a given population who have been circumcised . The rates vary widely by country, from 1% in Japan, to 2% in Spain and Sweden, to 58% in the United States, to more than 80% in Muslim - majority countries . Worldwide it is estimated that 25% to 33% of males are circumcised, by various sources . </P> <P> It is not the current rate of newborn males who undergo neonatal circumcision, which may influence future prevalence . In 2007, the World Health Organization (WHO) estimated that globally, the vast majority of men who are circumcised are Muslims . They estimated 33% of adult males worldwide (aged 15 +) are circumcised, with almost 70% of those being Muslims . </P>

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