The bar chart compares the proportion of prisoners in the five different countries over the 50 years period, between 1930 and 1980.
It is clear that the number of prisoners fluctuated for each of the countries over the period, while the United States had the highest number of prisoners overall. The Great Britain had the lowest number of prisoner for the majority of the period.
There were mild fluctuations in the number of prisoners of Canada between 1930 and 1960, ranging between 100,000 and 120,000 respectively. This figure decreased gradually at above 80,000 in the next two years. The figures for prisoners in Canada fluctuated between 100 thousand and just nearly at 130 thousand, from 1930 to 1960, which decreased to under 100,000 in the next year. It reached the highest number at just below 140,000 in 1980.
Similar with the United States, New Zealand had approximately 100,000 of prisoners in 1930; However, this figure went down dramatically to just nearly 50,000 in the next two years. Between 1950 and 1980, New Zealand’s prisoners increased gradually from nearly 50,000 to almost 90,000. Though Great Britain had lower number than Australia between 1930 and 1960, it higher value in 1980 than Austalia at just above 80,000 prisoners.