Southeast Asian Coffee Compared: Vietnam, Laos, Thailand and Indonesia
Vietnam, Indonesia, Laos and Thailand sit close together and produce coffee that tastes nothing alike. The differences come down to three things: which species is grown, how the coffee is processed, and whether the country built its industry for volume or for quality.
Here is how the four actually compare.
Quick comparison
| Origin | Mostly grows | Typical processing | Cup character |
|---|---|---|---|
| Vietnam | Robusta, at scale | Washed and natural | Heavy, bittersweet, low acidity, chocolate and nut |
| Indonesia | Arabica and robusta | Wet-hulled (giling basah) | Full body, low acidity, earthy, cedar, savory |
| Thailand | Highland arabica | Washed, increasingly experimental | Clean, mild, floral, moderate acidity |
| Laos (north) | Small-lot arabica | Washed and natural, some anaerobic | Fruit-forward, strawberry, citrus, bright acidity |
Vietnam: built for volume
Vietnam is the world's second-largest coffee producer and by far the largest robusta producer. The industry scaled enormously from the 1980s onward, and most of what leaves the country is robusta destined for instant coffee and blends.
That reputation undersells what else is there. The Da Lat highlands in the south grow arabica at altitude, and a handful of producers there run processing as careful as anywhere in Asia, including anaerobic fermentation. We covered that in our piece on the Dalat region.
Robusta itself is not the problem people assume. Well-grown robusta is heavy, bittersweet and low in acidity, which is exactly why Vietnamese iced coffee works the way it does.
Indonesia: the wet-hulled signature
Indonesia's character comes less from geography than from a processing method. Wet-hulling, known locally as giling basah, removes the parchment from the bean at a much higher moisture content than conventional processing allows.
The result is unmistakable: enormous body, very low acidity, and earthy, cedar, sometimes savory notes that divide people completely. Sumatra is the best known example, with Java and Sulawesi alongside.
If you have ever tasted a coffee described as earthy and wondered what that meant, it was probably Indonesian.
Thailand: small, clean, quietly improving
Thai arabica grows in the northern highlands around Chiang Mai and Chiang Rai, much of it planted through crop substitution programs similar to those in Laos. Volumes are small and a large share is consumed domestically by a serious Thai cafe culture.
Cups tend toward clean, mild and floral with moderate acidity. Thailand has moved fast on experimental processing in recent years, so the ceiling is rising.
Laos: the smallest and the most surprising
Laos splits in two. Around 95% of production comes from the Bolaven Plateau in the south, planted by the French in the early 1900s and largely commodity-focused. The remaining 5% grows in the northern mountains, where arabica went in during the 1990s as an opium replacement crop and stayed unreachable for twenty years for lack of mills and exporters.
Northern Lao coffee is the outlier of the four. It reads bright and fruit-forward, with strawberry showing up again and again in cup notes from different buyers. Our Xam Tai anaerobic natural from Houaphanh province runs strawberry jam, wafer, rhubarb and nougat.
Read more in why the best Lao coffee comes from the north.
Which should you try first?
If you want body and low acidity, start with Indonesia. If you want something bright and fruity from an unexpected place, start with northern Laos. If you want to understand why robusta has a reputation it partly does not deserve, start with a good Vietnamese arabica from Da Lat and then try the robusta.
