Progress Watch Why 20 year drop in crime is more impressive than it seems

The decline is occurring at the same time as two factors long believed to lead to an increase in crime: The US prison population is dropping and the number of young adults has risen.

By , Staff writer

Photo by Melanie Stetson Freeman/The Christian Science Monitor/File

The rate of violent crimes in the United States has been cut in half during the past 20 years.