A total of 83,998 people were convicted in New Zealand courts in the year to June, 6,738 fewer than the previous year.
Official statistics released on Tuesday also reveal 7,615 people were imprisoned in the same period - 1,101 fewer than the average for the previous five financial years.
Altogether 35,341 sentences were given to people identified as Pakeha New Zealanders and 30,960 to Maori offenders.
A total of 2,498 Pakeha and 4,077 Maori were imprisoned during the same period.
Christchurch with 10,473 and Manukau with 10,455 are leading the conviction figures.