Heavy water imports in the United States: data, top suppliers and prices
In 2024, the United States imported heavy water worth $47.0 million (100 tonnes). That makes it the largest importer of this product worldwide, out of 91 countries. That is 34% less than in 2023. Over 2017-2024 the trade grew strongly, by about 16% a year on average. The peak in this period was 2023, at $70.7 million.
Public statistics, latest complete year (2024). Values in US dollars. Page updated .
Imports by year, 2017-2024
Hover or tap a year for detail.
Year by year
| Year | Value | Quantity |
|---|---|---|
| 2024 | $47.0M | 100 t |
| 2023 | $70.7M | 158 t |
| 2022 | $68.3M | 209 t |
| 2021 | $31.4M | 87 t |
| 2020 | $24.8M | 69 t |
| 2019 | $26.8M | 92 t |
| 2018 | $28.4M | 108 t |
| 2017 | $16.4M | 107 t |
Where the United States imports heavy water from
One supplier dominates: Canada accounted for 72% of the value. Among the main suppliers, Canada grew fastest (+61% on the year before).
| Supplier country | Value | Share |
|---|---|---|
| Canada | $33.7M | 72% |
| India | $8.9M | 19% |
| Israel | $2.5M | 5.4% |
| Japan | $644K | 1.4% |
| Germany | $449K | 1% |
| Switzerland | $341K | 0.7% |
| France | $192K | 0.4% |
| Belgium | $74K | 0.2% |
| South Korea | $68K | 0.1% |
| Singapore | $58K | 0.1% |
Average import price per kg
The average declared value was about $471.51 per kg, close to the world average of $469.80.
Declared value divided by weight, all 2024 shipments. Prices per shipment and per company are in EximDataX.
Heavy water exports from the United States
Exports of heavy water by the United States reached $13.6 million in 2024 (45 tonnes). It ranks 4th of 50 countries for exports of this product. The largest buyer markets were Germany (46%), France (24%), United Kingdom (6%). Among the main buyer markets, Spain grew fastest, more than tenfold on the year before.
| Destination | Value | Share |
|---|---|---|
| Germany | $6.2M | 46% |
| France | $3.3M | 24% |
| United Kingdom | $883K | 6.5% |
| Spain | $552K | 4.1% |
| China | $494K | 3.6% |
| Japan | $433K | 3.2% |
| South Korea | $340K | 2.5% |
| Italy | $304K | 2.2% |
| Canada | $200K | 1.5% |
| Mexico | $184K | 1.4% |
Who is behind these numbers in the United States?
The shipment records behind United States heavy water imports (HS 2845.10): companies, dates, quantities and declared values.
Shipment records are in the platform
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Direct customs feed: shipment-level records from the official customs source.
Source: CEPII BACI (reconciled UN Comtrade data), HS 2017 edition, release 202601, Etalab Open Licence 2.0. Annual values in US dollars at the customs border; quantities in tonnes where reported. HS 2845.10: Heavy water (deuterium oxide).
Common questions
What is the value of heavy water imported by the United States?
The United States imported heavy water worth $47.0 million in 2024, the latest year with complete public data, about 100 tonnes. That ranks it 1st of 91 countries worldwide, with 31% of world imports. The value was down 34% on 2023.
Which countries supply heavy water to the United States?
Canada was the largest supplier with 72% of the value ($33.7 million), followed by India (19%) and Israel (5%). The top three together account for 96%, out of 13 supplier countries in total. Germany grew fastest among the top ten, up 544% on the year.
What is the average import price of heavy water per kg?
The average declared import value was about $471.51 per kg in 2024, close to the world average of $469.80 per kg. Because it averages all grades and sizes, treat the figure as a market benchmark, not a price offer.
How have imports of heavy water to the United States changed since 2017?
Imports went from $16.4 million in 2017 to $47.0 million in 2024, an increase of 187%. The peak was 2023 at $70.7 million. Over 8 years the average was $39.2 million a year.
Does the United States also export heavy water?
Yes. The United States exported $13.6 million worth of this product in 2024, mainly to Germany, France and the United Kingdom. On balance the United States is a net importer of this product, by about $33.3 million a year.
What is the HS code for heavy water?
The HS code for heavy water is subheading 2845.10. It sits in HS chapter 28 (inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes). The full list of codes and descriptions is on the HS 2845 page.
How can I find the companies behind this trade?
The totals here are public statistics; the company-level detail sits in EximDataX, which has a direct customs feed for the United States. Tell us your product to see it live.
Same product, other countries
More trade data for the United States
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