White paper on crime 2011 Part2/Chapter4/Section1/3
Fig. 2-4-1-3 shows the number of new inmates over the last 20 years. After reaching a post WWII low level of 20,864 in 1992 the number started to constantly increase, but then continued decreasing every year from 2007, and was 27,079 in 2010 (down 4.3% from the previous year). The number of new female inmates was 914 in 1992 but which then continued increasing up to 2,333 in 2006. It remained at the high level of 2,206 (up 1.7% (id.)) in 2010, or approximately 2.4 times that of 1992.
Table 2-4-1-4 shows the number of inmates by reason for admission/release in 2010.