Noting the "serious headwinds" the global trade system faces with US President Donald Trump's plan for widespread tariffs, New Zealand Prime Minister Christopher Luxon called on Monday for Indo-Pacific nations to deepen their economic integration through free trade and strengthened supply chains.

Growth outlooks in the United States and several other countries are projected to slow this year and next, as uncertainty on trade and economic policy takes their toll.

The Swiss economy will grow by 1.4% in 2025, the government said in its latest forecast on Tuesday, lowering its previous view due to uncertainty and worries about a global trade war.