New figures from the CSO show almost one in two committed another crime.
Westmeath had the highest rate of re-offending within one year of probation in 2015.
New figures from the Central Statistics Office show almost one in two committed another crime.
The rate of re-offending in the Lake County stood at 49.1% in 2015.
That was the highest in the country - over 7% ahead of Limerick.
It did represent a decrease of almost 10% during a three year period.
Elsewhere, one in three people re-offended in Offaly.
While the figure was lowest in Laois at 28%.
Numbers in both counties also trended downwards between 2013 and 2015.
Overall, men were found to be marginally more likely to re-offend than women.
Under 18s were the most common age group to commit another crime.
Six in ten did so within 12 months in 2015.
And kidnapping offences were the highest cause of re-offending at 44% - followed by burglary at 41%.
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