Number of prisoners fell 0.582% to 3,755 persons in Ireland in 2015, according to the United Nations.
Historically, number of prisoners in Ireland reached an all time high of 4,318 persons in 2010 and an all time low of 1,936 persons in 1987.
Ireland has been ranked 78th within the group of 105 countries we follow in terms of number of prisoners, 29 places above the position seen 10 years ago.
| Number of Prisoners | Unit | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Australia | persons | 29,317 | 29,700 | 29,106 | 29,381 | 30,775 | ||||||||||||||||
| Belgium | persons | 10,105 | 10,968 | 11,065 | 11,212 | 12,126 | ||||||||||||||||
| Canada | persons | 38,804 | 39,489 | 40,229 | 40,718 | 37,542 | ... | |||||||||||||||
| Denmark | persons | 3,721 | 3,944 | 3,947 | 3,829 | 4,091 | ||||||||||||||||
| France | persons | 60,978 | 60,544 | 64,787 | 66,572 | 67,075 | ||||||||||||||||
| Germany | persons | 72,295 | 70,827 | 69,543 | 68,533 | 66,221 | ||||||||||||||||
| Iceland | persons | ... | ... | ... | ... | ... | 148 | 167 | 150 | 153 | 152 | ... | ... | |||||||||
| Ireland | persons | 3,868 | 4,318 | 4,216 | 4,287 | 4,088 | ||||||||||||||||
| Italy | persons | 65,598 | 69,263 | 68,325 | 67,102 | 63,848 | ||||||||||||||||
| Mexico | persons | ... | ... | ... | ... | ... | ... | ... | ... | 186,614 | 188,013 | 213,758 | 207,278 | 218,373 | ||||||||
| Norway | persons | 3,340 | 3,564 | 3,866 | 4,052 | 3,869 | ... | |||||||||||||||
| Spain | persons | 76,079 | 73,929 | 70,472 | 68,597 | 66,765 | ||||||||||||||||
| Sweden | persons | 7,286 | 6,846 | 6,669 | 6,296 | 5,723 | ||||||||||||||||
| USA | persons | 2,297,700 | 2,279,100 | 2,252,500 | 2,231,400 | 2,231,400 | ||||||||||||||||
| United Kingdom | persons | 91,325 | 93,322 | 94,279 | 94,625 | 91,574 |
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