Australians increased their borrowing 4.3% in January, according to the Australia Bureau of Statistics.
Seasonally adjusted, personal finance jumped from $7.12 billion in December 2011 to $7.43 billion in January 2012.
In contrast, business lending decreased by 1.1%, seasonally-adjusted, over the same period.
Lease finance increased 9.4% to $473 million in January, after a fall of 10.6% in December 2011.
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Finance for owner-occupied housing edged up 0.1% to $14.1 billion.
The trend in buy-to-rent housing rose 0.7%.