The Treasury is forecasting the deficit will rise to $16.6 billion, or 6.5 per cent of gross domestic product, by 2017, with unusual elements including insurance flows stemming from the Canterbury rebuild.
The balance on goods was a surplus of $1.15 billion, from a deficit of $246 million three months earlier. Imports fell as the country brought in less petroleum and petroleum products.
The balance of services improved to a surplus of $886 million in the first quarter from a deficit of $359 million three months earlier as overseas visitors increased spending and imports of services fell on lower payments for transportation services.
The balance on income was little changed in the first quarter at a deficit of $2.57 billion from a gap of $2.55 billion three months earlier. The slight increase reflected lower dividend income earned by foreign investors, partly offset by lower profits earned by New Zealand companies' overseas subsidiaries, the government statistician said.
New Zealand's international liability position fell to $146.7 billion, or 69.3 per cent of GDP, at March 31, from $149.6 billion, or 71.4 per cent three months earlier. The improvement was attributed to rising overseas equity markets, which helped lift the value of New Zealand's offshore assets.
"Almost a third of New Zealand's international assets are held in overseas sharemarkets," said Statistics New Zealand balance of payments manager Matthew Haigh. "Rising prices in these markets helped boost our asset values by $2.4 billion this quarter."
Outstanding claims on overseas reinsurers for the Canterbury earthquakes were an estimated $9.5 billion as at March 31.
New Zealand's net international debt fell $2.5 billion to $139.1 billion as at March 31, reflecting a net $4.2 billion decline in bank borrowing and a net $1.1 billion increase in government borrowing.
Net external debt shrank to 65.6 per cent of GDP, the lowest ratio since Sept. 30, 2005, from 68 per cent as at December 31, 2012.
The balance of payments measures total goods and services which cross the nation's borders, showing how reliant the country is on foreign funding.