The figures are contained in FLAC's annual report, which was launched by Chief Justice Susan Denham yesterday.
FLAC has said it helped more than 27,000 people with legal queries last year, up 10% on last year.
The main questions that people raised were family problems, employment issues and debt worries.
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The telephone information service also saw a sharp rise in housing law issues, particularly the rights and responsibilities of landlords and tenants, recording an increase of 83% over 2012.
Questions about neighbour disputes and breaches of contract also rose in those phoning for information.
The legal rights group said the findings of the report highlight gaps in the legal system.