The bar chart compare the number of imprisonment in five different countries between 1930 and 1980.
At the first glance, Great Britain had witnessed an upward trend in the figure of imprisonment in the six examined years while Canada and United State had the highest prisoners.
Starting at around 120 thousand prisoners in 1930, the population of Canada, the most inmates of the five examined cities, had gone down in the next decade. The US and New Zealand both have the same level of prisoners at 100 thousand. Australia had approximately 70 thousand captive people and Great Britain had the least. After a decade, number of prisoners in Britain maintain the same level whilst Australia plunged from 70,000 to 50,000 and New Zealand also reduced from 100 thousand to 55 thousand. Nevertheless, the United State rapidly grew to more than 120 thousand prisoners and reached the highest peak in 1940, followed by Canada with a slight decrease to 110,000 people. In 1950, the figure of inmate people in Britain rised small and slightly fall in Australia and New Zealand. Whereas, the US decreased and Canada got the highest. Finally, in 1980, all countries witnessed a fluctuation mainly go up except Australia. The US peak at nearly 140, and the Uk, New Zealand, Canada had more than 80 thousand prisoners.
In conclusion, throughout 50 decades, the crime number got highest in the United State and Great Britain while Australia, Canada and New Zealand witnessed an ups and down.