Over 9 million people are now in prison worldwide and the number is growing, according to a new report [
link - PDF-file] by the London-based International Centre for Prison Studies [
Prison Studies website].
The statistical survey included convicts and persons held in pre-trial detention. T
he US, China, and Russia account for about half of the total, with the US holding 2.09 million, China holding 1.55 million (plus pretrial detainees and prisoners in what is termed "administrative detention") and Russia 760,000.
The US has the highest incarceration rate by population: 714 persons per 100,000.