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.
$1500億US imports from South Korea
$788億US 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, 2025年9月 to 2026年8月. Totals for all US trade with each country, not data about individual companies.
Month by month
| US imports | US exports | |
|---|---|---|
| 2025年9月 | $102億 | $60.7億 |
| 2025年10月 | $90.2億 | $64億 |
| 2025年11月 | $87.1億 | $54.3億 |
| 2025年12月 | $118億 | $58.4億 |
| 2026年1月 | $116億 | $55.7億 |
| 2026年2月 | $114億 | $52億 |
| 2026年3月 | $129億 | $81.8億 |
| 2026年4月 | $136億 | $81.3億 |
| 2026年5月 | $133億 | $83.8億 |
| 2026年6月 | $154億 | $69.9億 |
| 2026年7月 | $167億 | $61.9億 |
| 2026年8月 | $152億 | $63.8億 |
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
| # | Product | Last 12 months | Mainly by | Avg duty |
|---|---|---|---|---|
| 1 | Parts & accessories for computers & unitsHS 847330 | $231億 | Air | 0.06% |
| 2 | Solid-state non-vol semiconductor storage devicesHS 852351 | $131億 | Air | 0.05% |
| 3 | Passenger vehicles spark-ignition internal combustion reciprocating piston engine >1500 not over 3,000 ccHS 870323 | $90.7億 | Sea | 16% |
| 4 | Passenger vehicles with spark-ignition and electric motor,not chrgd by plugHS 870340 | $88.7億 | Sea | 16% |
| 5 | Pass motor vehicles,spark ign eng, >1000cc but =<1500ccHS 870322 | $70.5億 | Sea | 14% |
| 6 | Passenger vehicles spark-ignition internal combustion reciprocating piston engine > 3000 ccHS 870324 | $49.5億 | Sea | 16% |
| 7 | Petrol oil bitum mineral (not crud) etc not biodieslHS 271019 | $36.7億 | Sea | 0.1% |
| 8 | Immunological products, in measured doses/retail saleHS 300215 | $35.1億 | Air | 0.00% |
| 9 | Immunological products, mixed, not in msred dosesHS 300214 | $26.9億 | Air | 0.00% |
| 10 | Lithium ion batteriesHS 850760 | $22.2億 | Sea | 7% |
Top 10 US exports to South Korea
| # | Product | Last 12 months | Mainly by |
|---|---|---|---|
| 1 | Crude oil from petroleum and bituminous mineralsHS 270900 | $179億 | Sea |
| 2 | Civilian aircraft, engines, and partsHS 880000 | $37.5億 | Truck, rail and other |
| 3 | Machines for man. semicondutor devices/electric icHS 848620 | $29.3億 | Air |
| 4 | Natural gas, liquefiedHS 271111 | $22億 | Sea |
| 5 | Corn (maize), other than seed cornHS 100590 | $19.5億 | Sea |
| 6 | Hormones etc. (no antibiotics contained) dosage fmHS 300439 | $15.3億 | Air |
| 7 | Propane, liquefiedHS 271112 | $15.1億 | Sea |
| 8 | Parts & accsesories for machines to man. semicnt, etcHS 848690 | $14億 | Air |
| 9 | Passenger vehicles spark-ignition internal combustion reciprocating piston engine >1500 not over 3,000 ccHS 870323 | $12.9億 | Sea |
| 10 | Lt oils, preps gt=70% petroleum/bitum not biodieselHS 271012 | $12.3億 | Sea |
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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