New Zealand imports rose to a record high last year as a decline in the value of the currency pushed up values.
The country's imports increased 2.5 per cent to $52.53 billion compared with the year earlier, according to data from Statistics New Zealand. Annual exports slid 2.2 per cent to $49 billion.
The annual trade deficit widened to $3.55 billion from $1.18 billion in 2014, and the widest for a calendar year since 2008, the agency said.
The New Zealand dollar slipped about 12 per cent against the US dollar last year as falling commodity prices, particularly for dairy products, weakened the country's growth prospects, while a pick-up in the US economy bolstered the greenback. That increased the cost of importing goods into the country.
"The depreciating New Zealand dollar has an upward effect on import and export prices," Statistics NZ international statistics senior manager Jason Attewell said.