Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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Oysters, frozen

In short

  • The US imported $10.1M of this product over the 12 months to August 2026, down 30% on the year before.
  • Korea, South is the largest supplier, with 83.6% of US imports; Mexico is next, with 15.6%.
  • Mexico is the cheapest main supplier before and after freight and duty, landing at $7.36/kg.
  • Duty paid averaged 10.7% of the value of imports in August 2026, up 4.8 points on a year earlier.
  • Mexico is gaining share: 7.9% over the last 12 months, up from 4.7%.
  • US exports were $1.4M over the last 12 months; the largest market is Italy, with 40.4%.

US imports, Aug 2026

$826K

↓ −47% vs Aug 2025

Last 12 months

$10.1M

↓ −30% vs the 12 months before

Average duty paid

10.7%

↑ +4.8 pts vs Aug 2025

Top supplier

Korea, South

83.6% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↑
Show the numbers
MonthUS imports
August 2025$1.6M
September 2025$1.2M
October 2025$815K
November 2025$565K
December 2025$639K
January 2026$640K
February 2026$834K
March 2026$724K
April 2026$649K
May 2026$691K
June 2026$1.0M
July 2026$1.5M
August 2026$826K

What changed

  • US imports were $826K in August 2026, down 44% from July 2026 and down 47% from August 2025.
  • Over the 12 months to August 2026 they totalled $10.1M, down 30% on the 12 months before.
  • Biggest moves in market share since July 2026: Mexico up from 11.3% to 15.6%, Korea, South down from 87.3% to 83.6%.
  • Average price from Mexico rose 15% since July 2026, to $7.72/kg.
  • Duty paid on imports from Korea, South rose from 9.0% to 12.5% of their value since July 2026.

US trade by year

US imports were $10.1M in the 12 months to Aug 2026, up 11% on the 12 months to Aug 2018. US exports were $1.4M, down 32%. This code began with the HS 2017 revision in January 2017, taking goods from 0307.19, so its history starts there. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

201820192020202120222023202420252026Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2018$9.1M
12 months to Aug 2019$12.9M
12 months to Aug 2020$9.4M
12 months to Aug 2021$11.9M
12 months to Aug 2022$11.5M
12 months to Aug 2023$16.1M
12 months to Aug 2024$17.8M
12 months to Aug 2025$14.4M
12 months to Aug 2026$10.1M
  • Korea, South
  • Mexico
  • Japan
  • New Zealand
  • All countries
Share of US imports
Show the numbers
PeriodKorea, SouthMexicoJapanNew Zealand
12 months to Aug 201881.5%0.2%4.0%0.0%
12 months to Aug 201986.9%0.0%2.2%0.3%
12 months to Aug 202095.3%0.0%0.1%0.0%
12 months to Aug 202192.1%1.3%5.5%0.3%
12 months to Aug 202287.9%10.7%0.0%0.1%
12 months to Aug 202388.8%10.4%0.1%0.7%
12 months to Aug 202495.5%4.1%0.0%0.4%
12 months to Aug 202592.1%4.7%1.6%0.6%
12 months to Aug 202690.7%7.9%0.5%0.5%
Duty paid, % of value
Show the numbers
PeriodKorea, SouthMexicoJapanNew ZealandAll countries
12 months to Aug 20180.0%0.0%0.0%0.0%0.0%
12 months to Aug 20190.0%n/a0.0%0.0%0.0%
12 months to Aug 20200.0%n/a0.0%0.0%0.0%
12 months to Aug 20210.0%0.0%0.0%0.0%0.0%
12 months to Aug 20220.0%0.0%n/a0.0%0.0%
12 months to Aug 20230.0%0.0%0.0%0.0%0.0%
12 months to Aug 20240.0%0.0%n/a0.0%0.0%
12 months to Aug 20253.6%0.0%9.8%1.5%3.5%
12 months to Aug 202611.2%0.0%10.9%12.8%10.3%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$10.1M−30%10.3%+6.9 pts$1.4M+94%
12 months to Aug 2025$14.4M−19%3.5%+3.5 pts$723K−32%
12 months to Aug 2024$17.8M+11%0.0%0.0 pts$1.1M+0.8%
12 months to Aug 2023$16.1M+40%0.0%0.0 pts$1.0M+11%
12 months to Aug 2022$11.5M−4.0%0.0%0.0 pts$942K+16%
12 months to Aug 2021$11.9M+27%0.0%0.0 pts$809K+25%
12 months to Aug 2020$9.4M−27%0.0%0.0 pts$646K−56%
12 months to Aug 2019$12.9M+42%0.0%0.0 pts$1.5M−28%
12 months to Aug 2018$9.1M0.0%$2.1M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Korea, South$691K83.6%−13.3 pts$7.58/kg−7.9%12.5%+6.4 pts
Mexico$129K15.6%+12.5 pts$7.72/kg+7.0%0.0%0.0 pts
China$6K0.7%new$3.08/kg37.5%
All countries$826K100.0%$7.52/kg−8.2%10.7%+4.8 pts

The 3 largest suppliers had 99.1% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
Mexico$7.36/kg$0.00/kg0.0% of price$0.00/kg0.0% of price$7.36/kg+16%
Korea, South$7.47/kg$0.33/kg4.4% of price$0.76/kg10.2% of price$8.56/kg+1.8%
All countries$7.48/kg$0.31/kg4.2% of price$0.68/kg9.1% of price$8.47/kg−1.6%

Landed at a US port, Mexico was cheapest, at $7.36/kg: 14.0% below Korea, South.

Landed cost from Mexico rose 16% on a year earlier, to $7.36/kg, mostly on price: $6.37/kg then, $7.36/kg now.

How the market is shifting

Mexico gained the most share: 7.9% of US imports over the last 12 months, up from 4.7% in the 12 months before. Korea, South lost the most: 90.7%, down from 92.1%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Korea, South
  • Mexico
  • Japan
  • New Zealand
  • All countries
Share of US imports
Show the numbers
MonthKorea, SouthMexicoJapanNew Zealand
September 202477.5%18.7%0.0%3.9%
October 202475.0%12.1%0.9%12.0%
November 202497.8%1.8%0.0%0.4%
December 202484.7%15.1%0.0%0.0%
January 202592.9%0.9%0.0%0.0%
February 202590.9%6.3%0.0%0.0%
March 202596.0%1.8%0.0%0.0%
April 202596.9%3.1%0.0%0.0%
May 202598.2%1.8%0.0%0.0%
June 202594.0%5.1%0.0%1.0%
July 202587.2%2.1%9.1%0.0%
August 202596.9%3.1%0.0%0.0%
September 202594.5%5.5%0.0%0.0%
October 202590.5%4.2%0.0%0.5%
November 202592.9%6.3%0.0%0.8%
December 202594.3%5.0%0.0%0.7%
January 202682.2%8.0%8.1%1.7%
February 202695.2%4.8%0.0%0.0%
March 202695.9%4.1%0.0%0.0%
April 202691.4%8.6%0.0%0.0%
May 202686.8%13.2%0.0%0.0%
June 202693.2%6.3%0.0%0.5%
July 202687.3%11.3%0.0%1.4%
August 202683.6%15.6%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthKorea, SouthMexicoJapanNew ZealandAll countries
September 20240.0%0.0%n/a0.0%0.0%
October 20240.0%0.0%0.0%0.0%0.0%
November 20240.0%0.0%n/a0.0%0.0%
December 20240.0%0.0%n/an/a0.0%
January 20250.0%0.0%n/an/a0.0%
February 20250.0%0.0%n/an/a0.6%
March 20250.0%0.0%n/an/a0.0%
April 20251.5%0.0%n/an/a1.4%
May 20258.4%0.0%n/an/a8.3%
June 20258.2%0.0%n/a10.0%7.8%
July 20257.0%0.0%10.0%n/a7.0%
August 20256.1%0.0%n/an/a5.9%
September 202514.5%0.0%n/an/a13.7%
October 202514.2%0.0%n/a15.0%13.9%
November 202514.3%0.0%n/a15.0%13.4%
December 20253.3%0.0%n/a15.0%3.2%
January 202615.0%0.0%10.9%15.0%13.5%
February 202611.9%0.0%n/an/a11.3%
March 202610.0%0.0%n/an/a9.6%
April 20269.3%0.0%n/an/a8.5%
May 202610.0%0.0%n/an/a8.7%
June 202610.0%0.0%n/a10.0%9.4%
July 20269.0%0.0%n/a10.9%8.0%
August 202612.5%0.0%n/an/a10.7%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. September–October 2025 · Duty paid: Korea, South 7.6% → 14.3%, all countries 7.4% → 13.6%.
  2. April–May 2025 · Duty paid: Korea, South 0.0% → 7.6%, all countries 0.0% → 7.4%.

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Los Angeles, CA$5.4M · 53.1%
  2. Newark, NJ$1.7M · 16.6%
  3. Otay Mesa, CA$800K · 7.9%
  4. Savannah, GA$766K · 7.6%
  5. New York, NY$706K · 7.0%

Where US exports go

US exports were $29K in August 2026, up 35% from August 2025, and $1.4M over the last 12 months, up 94% on the 12 months before. Fastest-growing market with 3% or more of US exports: Canada, up 9.8%.

MarketLast 12 monthsSharevs 12 months before
Italy$566K40.4%new
Korea, South$436K31.1%new
Canada$119K8.5%+9.8%
Australia$110K7.9%new
Jamaica$97K6.9%−3.0%
Guatemala$21K1.5%+76%
Colombia$17K1.2%+21%
Mexico$13K0.9%−70%
Other countries (4)$22K1.6%+36%
All countries$1.4M100.0%+94%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 81 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Japan$25.0Min 2025−8.0%$00.0%
Taiwan$12.6Min 2024+15%$268K2.1%
Hong Kong$11.9Min 2025+19%$291K2.4%
Australia$4.4Min 2025−1.4%$00.0%
Singapore$4.1Min 2025−25%$19K0.5%
Thailand$3.9Min 2025+9.2%$00.0%
Malaysia$3.5Min 2025+8.1%$00.0%
Belgium$1.6Min 2025+6.4%$00.0%

The biggest market outside the US is Japan, which imported $25.0M of this product in 2025, none of it from the US.

Of these, imports into Hong Kong grew fastest: up 19% from 2024 to 2025.

Other products under heading 0307: molluscs. US trade over the 12 months to August 2026.

About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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