The world's biggest importer, the US bought over $3.5 trillion (£2.6tn) of goods from overseas in 2025. Machinery and computers led the way at $665 billion (£497bn), chiefly supplied by Mexico and China, followed by $513 billion (£383bn) of electrical equipment, also led by China and Mexico. Vehicles came next at $337 billion (£252bn), with Mexico, Japan and Canada the main sources.

Fuels including oil were worth another $216 billion (£161bn), with Canada the leading source by a wide margin. That dependence gives Ottawa a powerful bargaining chip in its bitter trade dispute with Washington.

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