When buyers ask me where Vietnamese pangasius actually goes, they guess the US, the EU, or China first. Thailand almost never comes up, even though it's the second-largest destination for Vietnamese pangasius in Asia after China, and Vietnam supplies more than half of everything Thailand imports as frozen whitefish. That's not a niche lane. It's a market Vietnam already dominates, and most buyers I talk to outside Thailand have no idea the share is that lopsided.

The share is bigger than most people assume

According to Thailand's own import statistics as reported in regional trade press, Vietnam accounted for 52% of Thailand's total whitefish import volume in the most recent full year on record, well ahead of every other supplier. The next-closest competitors weren't close: the United States, Russia, China, and Norway combined supplied a fraction of what Vietnam shipped on its own that year. Thailand is now Vietnam's fourth-largest pangasius market worldwide and, again, second only to China within Asia. If you're building a sourcing map for Southeast Asia and Thailand isn't on it, you're missing a market where Vietnam has already won the largest share of the shelf.

Geography and ATIGA are doing structural work, not just price

Part of why Vietnam holds this lead is straightforward: pangasius from the Mekong Delta ships to Thailand on a short regional route, which keeps freight cost and transit time down compared to competitors shipping from Russia or Norway. The other part is the ASEAN Trade in Goods Agreement (ATIGA), which gives Vietnamese seafood preferential tariff treatment into Thailand that non-ASEAN suppliers don't get. Neither advantage is new, but together they mean Vietnam isn't just competing on the price of the fish — it's competing with a lower cost stack before the fish even leaves the factory gate. That's a structural edge, not a temporary discount, and it's a big part of why the next-largest competitor isn't close.

What's actually pulling the demand

Thailand's foodservice sector has been expanding, and whitefish has become the category buyers reach for when they want an affordable substitute for pricier local or imported species. That shows up in how varied the product forms are: frozen fillets are still the bulk of what moves, but I also see steady demand for steak cuts, whole fish, butterfly cuts, and value-added formats. Thai buyers use pangasius across more formats than most Western retail buyers do, which is worth knowing before you write a spec that only covers fillets.

Don't read too much into any single month

This is the part buyers get wrong most often. Month-to-month, the numbers swing hard: in one recent stretch, pangasius exports to Thailand jumped by roughly 280% year-on-year in the first half of a single month, while the broader year-to-date figure for the same window was up a more modest 24%. Both numbers are real, and both describe the same market — the difference is that Thai buyers tend to order in response to price and seasonal foodservice demand rather than on fixed annual contracts, so any single month can look dramatic in either direction. If someone hands you a one-month growth number for this market, ask for the trailing three- or six-month trend before you draw a conclusion from it.

What this means if you're sourcing into Thailand

Vietnam's dominance here doesn't mean the competition has stopped — it's concentrated at the edges, in higher-value cuts and value-added formats where suppliers from further afield still compete on quality and consistency rather than landed cost. If you're buying for the Thai market, two things are worth doing before you place an order. First, confirm your supplier can issue the ATIGA self-certification of origin correctly, since that paperwork is what actually gets you the preferential tariff at the Thai border, and shipments still get held up over incomplete origin documentation more often than buyers expect. Second, specify product form precisely and early. Because Thai foodservice buyers move between fillet, steak, whole-fish, and butterfly cuts more freely than buyers in most other markets, a loosely written spec is more likely here than elsewhere to get you the wrong cut, not just the wrong grade.

Sourcing pangasius fillet from Vietnam?

I work with international buyers on sourcing, supplier evaluation, and factory inspection. If you're evaluating Vietnamese suppliers for this category, I can help you avoid the common pitfalls.

Get in touch