US Section 301 Tariffs Lock in 12.5% Duties on New Zealand Exports
New Zealand exporters now face a permanent 12.5% additional tariff on most goods shipped to the United States after the expiry of a temporary surcharge on 24 July 2026. The measure under Section 301 of the US Trade Act of 1974 applies to 54 economies including New Zealand and leaves key sectors exposed despite exemptions for kiwifruit and beef that cover roughly 30% of the annual flow.
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New Zealand exporters now face a permanent 12.5% additional tariff on most goods shipped to the United States after the expiry of a temporary surcharge on 24 July 2026. The measure under Section 301 of the US Trade Act of 1974 applies to 54 economies including New Zealand, leaving key non-exempt sectors facing direct cost pressure despite exemptions for kiwifruit and beef that cover roughly 30% of the annual flow.
The tariffs replace an earlier 10% Section 122 surcharge that itself followed a US Supreme Court ruling striking down the initial 15% reciprocal tariffs imposed in April 2025. US goods imports from New Zealand stood at approximately US$5.58 billion in 2025, with monthly figures in early 2026 ranging between US$405 million and US$577 million according to US Census Bureau data.
New Zealand's total goods exports reached NZ$81.0 billion in the year to March 2026, according to Stats NZ. The United States accounts for a meaningful share, making it the second-largest export partner.
The drivers
The USTR determined on 2 June 2026 that 60 economies failed to impose and effectively enforce prohibitions on imports of goods produced with forced labour. Fifty-four of those economies, including New Zealand, face the 12.5% rate while six others face 10%.
Trade Minister Todd McClay rejected the premise outright.
I strongly reject that there is any support at all in the New Zealand system for forced labour. We're not involved in it. It doesn't happen through our trade.
New Zealand maintains domestic laws banning forced labour but lacks a broad import prohibition beyond prison labour under the Customs and Excise Act 2018. The Modern Slavery Bill proposes mandatory reporting for entities above NZ$100 million in revenue.
The United States frames the action as addressing circumvention of existing measures such as the Uyghur Forced Labor Prevention Act. Ambassador Jamieson Greer highlighted an unlevel playing field for American workers.
MFAT submitted written comments and participated in bilateral consultations on 11 May 2026. Officials continue engagement in Washington.
Exemptions cover kiwifruit, beef and avocados, protecting flagship earners. Non-exempt categories include wine, dairy, seafood and machinery.
Kiwifruit, one of New Zealand's flagship export earners, is among the categories exempt from the new 12.5% US Section 301 tariff — a carve-out that covers roughly 30% of the annual goods flow to the United States.
The trade-offs
Exporters in non-exempt sectors face margin compression or the need to pass costs to US buyers. At the same time the added friction creates incentives to diversify toward markets such as India.
Small and medium enterprises bear compliance and supply-chain adjustment costs. Over the longer term those pressures may spur productivity gains and investment shifts.
From the US perspective the tariffs generate fiscal revenue and protect domestic industries. Well-established economic analysis shows the incidence falls primarily on US importers and consumers.
RBNZ modelling from March 2026 indicates short-run disinflationary effects for New Zealand through trade diversion and NZD appreciation. Static models show GDP 0.15% lower under certain scenarios.
Dynamic modelling points to potential modest positive GDP effects longer term through monetary policy responses.
Second-order effects
According to an MFAT assessment of the April 2025 tariff impact, the July 2025 quarter showed a 3% annual decline in New Zealand exports to the US after the earlier tariff imposition, while non-US exports rose 10.8%.
Erosion of trade predictability encourages reorientation of export strategies and reduced reliance on any single market.
RBNZ monitoring of inflation and GDP channels feeds into broader forecasts. NZIER consensus projections show GDP growth of 0.6% in 2026 and 1.6% in 2027.
New Zealand GDP Growth Forecast 2025–2027
NZIER Consensus Forecasts, June 2026. Tariff uncertainty contributes to downward revisions in some outlooks.
Source: NZIER Consensus Forecasts June 2026
Historical context
The current regime represents the third iteration of US tariff policy toward New Zealand. The April 2025 15% reciprocal tariffs were struck down by the Supreme Court. A transitional 10% surcharge expired on 24 July 2026.
Section 301 actions have historically targeted China. The expansion to allies marks a shift toward unilateral executive authority.
Reviews occur every four years. Legal challenges under Section 301(b) are expected.
Marlborough's vineyards produce wine that is among the non-exempt categories facing the full 12.5% Section 301 duty — adding direct cost pressure on one of New Zealand's most prominent US export categories.
The counter-argument
The USTR report lists New Zealand among economies with insufficient border measures against forced labour goods. The tariffs aim to enforce higher standards and level the playing field.
New Zealand officials counter that domestic bans are robust and the process provides a legal pretext rather than addressing genuine concerns.
Evidence from RBNZ modelling and historical export data supports the view that aggregate macro effects remain modest while sector-level friction is real.
Open questions
Court challenges may alter the rate or exemptions. Diversification speed in non-exempt sectors remains uncertain.
Net GDP impact once dynamic policy responses materialise will become clearer with future data releases.
What to watch
Exporters should monitor compliance costs and pricing adjustments in the coming quarter. MFAT advocacy in Washington and the outcome of any legal proceedings will shape the medium-term outlook. Treasury and Stats NZ trade data releases through 2027 will reveal the extent of any diversion effects.
