Lucy said:
You can go to this link to see some information about prison populations in various countries kindly provided by Kerry Hempenstall - and also a piece on the lack of statistics of prison populations in England - see here:It seems to me to be an extremely interesting area of study - how poor literacy in the English-speaking world impacts personal psychology and in turn upon behaviour in society. Is there a body of knowledge out there on this topic or a key text I could look for?
http://www.iferi.org/iferi_forum/viewtopic.php?f=6&t=44