Day-one corridor

South Korea and the United States

What the two countries trade, how it ships, and what duty and freight add, over the last 12 months of official US trade data.

$150BUS imports from South Korea
$78.8BUS exports to South Korea
9.1%Average duty on US imports
2.7%Freight and insurance, as a share of import value

Source: US Census Bureau trade data, September 2025 to August 2026. Totals for all US trade with each country, not data about individual companies.

Month by month

$0$5B$10B$15B$20BOctDecFebAprJunAug
Monthly US imports from and exports to South Korea, September 2025 to August 2026
US importsUS exports
September 2025$10.2B$6.07B
October 2025$9.02B$6.4B
November 2025$8.71B$5.43B
December 2025$11.8B$5.84B
January 2026$11.6B$5.57B
February 2026$11.4B$5.2B
March 2026$12.9B$8.18B
April 2026$13.6B$8.13B
May 2026$13.3B$8.38B
June 2026$15.4B$6.99B
July 2026$16.7B$6.19B
August 2026$15.2B$6.38B

How goods travel

Imports from South Korea

Sea
59%
Air
38%
Truck, rail and other
2.7%

Exports to South Korea

Sea
62%
Air
33%
Truck, rail and other
5.4%

Top 10 US imports from South Korea

Top 10 US imports from South Korea
#ProductLast 12 monthsMainly byAvg duty
1Parts & accessories for computers & unitsHS 847330$23.1BAir0.06%
2Solid-state non-vol semiconductor storage devicesHS 852351$13.1BAir0.05%
3Passenger vehicles spark-ignition internal combustion reciprocating piston engine >1500 not over 3,000 ccHS 870323$9.07BSea16%
4Passenger vehicles with spark-ignition and electric motor,not chrgd by plugHS 870340$8.87BSea16%
5Pass motor vehicles,spark ign eng, >1000cc but =<1500ccHS 870322$7.05BSea14%
6Passenger vehicles spark-ignition internal combustion reciprocating piston engine > 3000 ccHS 870324$4.95BSea16%
7Petrol oil bitum mineral (not crud) etc not biodieslHS 271019$3.67BSea0.1%
8Immunological products, in measured doses/retail saleHS 300215$3.51BAir0.00%
9Immunological products, mixed, not in msred dosesHS 300214$2.69BAir0.00%
10Lithium ion batteriesHS 850760$2.22BSea7%

Top 10 US exports to South Korea

Top 10 US exports to South Korea
#ProductLast 12 monthsMainly by
1Crude oil from petroleum and bituminous mineralsHS 270900$17.9BSea
2Civilian aircraft, engines, and partsHS 880000$3.75BTruck, rail and other
3Machines for man. semicondutor devices/electric icHS 848620$2.93BAir
4Natural gas, liquefiedHS 271111$2.2BSea
5Corn (maize), other than seed cornHS 100590$1.95BSea
6Hormones etc. (no antibiotics contained) dosage fmHS 300439$1.53BAir
7Propane, liquefiedHS 271112$1.51BSea
8Parts & accsesories for machines to man. semicnt, etcHS 848690$1.4BAir
9Passenger vehicles spark-ignition internal combustion reciprocating piston engine >1500 not over 3,000 ccHS 870323$1.29BSea
10Lt oils, preps gt=70% petroleum/bitum not biodieselHS 271012$1.23BSea

Duty and freight are averages worked out from official figures, not a quote. Real duty depends on the exact product, where it was made and the tariffs in force.

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