Almost 75,000 people were ripped off by thieves and robbers in the past financial year, national police statistics show.

Aucklanders made up 38 per cent of the national victims of car thefts, burglaries and robberies, with more than 28,000 such crimes committed.

Stolen cars were a growth area for criminals, who stole 10,011 cars between Auckland, Waitemata and Counties Manukau - about 1500 more cars stolen in Auckland in the year to June 30 than in the previous financial year.

Almost half of all stolen cars were reported across the three Auckland districts. Nationally, stolen car crime jumped by 12.3 per cent, with more than 20,000 cars nicked around the country.

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Beyond car crime, recorded crime in New Zealand dropped by 3.2 per cent in the past year, continuing a downward trend, according to the police statistics.

There were almost 12,000 fewer crimes recorded nationwide in the 2013/14 financial year than in the previous financial year, with 353,564 recorded offences.

Following six years of rising sexual assaults figures in New Zealand, the trend was arrested marginally in this year's figures.

There were 3629 recorded sexual assaults which, while only 22 fewer than last year, was the first time in six years there wasn't an increase.