The graph shows the figures for imprisonment in 5 different nations between 1930 and 1980.
Overall, Unites States and Canada had the highest criminal rate. Whereas Canada see a rapid increase in imprisoners. New Zealand and Australia see fluctuation in the mentioned period.
Unites States had highest number of imprisoned criminals in 2 out of 6 years in total, 120 thousand in 1930 and peaked at approximately 140 thousand. Canada placed second cuminating to 120 thousand in 1930 and in close proximity of the same figure in 1950.
New Zealand and Australia saw fluctuation in the period while Australian criminal rate remained half of New Zealand, which are over 80 thousand and 50 thousand respectively. The figures for both countries stayed equal in 1970, at higher than 60 thousand. The people put in jail of Great Britain had a dramatic rise between 1930 and 1980, from about 30 thousand to more than 80 thousand criminals.
