Last year, 187 were being supervised after being let out of jail.
218 sex-offenders are being monitored in the community after being released from prison.
They're among over 1,700 criminals who are under post-release supervision.
The total figure also includes 121 life-sentence prisoners.
Former governor of Mountjoy and Portlaoise Prison, John Lonergan, says they're monitored by the Probation Service:
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