The bar chart compares the proportion of prisoners in thousands among various countries from 1930 to 1980
Over 50 years, all countries oscillated in every decade. but it is clear from the table that the United States category stood at a high rank in all periods. On the contrary, the lowest percentage of point in Great Britian with a few prisoners.
We can see that, the United States had a large number of imprisonment in 1970. but subsequently, in 1980 had 95,000 prisoners. And Canada was illustrated with 120,000 prisoners between 1930 and 1950. However, in 1970 declined to 82,000 imprisonments. In addition, New Zealand fluctuated 42,000 to 100,000 prisoners between 1930 and 1980.
The figures for Australia and Great Britian volatiled between 22,000 and 82,000 prisoners. In 1930 Australia had 63,000 imprisonments. And in 1940 reduced to 42,000. Furthermore, in 1930 Great Britain had 22,000 prisoners, and in 1980 peaked at nearly 85,000.