Source for the numbers in the incarceration clock

Based on Bureau of Justice Statistics count of 2,266,800 adults in state and federal prisons and in local jails as of the end of 2010. Assumes that the decrease of 25,100 people over the prior year has remained constant. See Bureau of Justice Statistics Correctional Population in the United States, 2010.

The javascript was originally written by Matt Elrod, webmaster@drugsense.org for the great Drug War Clock.

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