Data annotation costs by country in 2026

What drives annotation cost

The country you deliver from is only one input into annotation cost. Task complexity matters more: drawing a simple bounding box is far cheaper than pixel level segmentation, 3D point cloud work or nuanced content classification. Quality tier matters too, since multi pass review and consensus labelling cost more than single pass work. Volume, tooling and how much domain training annotators need round out the picture.

Because of this, a rate quoted per hour or per label only means something once the task, the quality bar and the volume are defined. Treat published numbers as directional.

Typical cost bands by country

The ranges below are directional market bands for general purpose labeling, expressed relative to US onshore delivery. Specialist work such as medical, autonomous vehicle or multilingual data sits above these bands.

Why Vietnam is a common choice

Vietnam has become a default destination for AI data work because it pairs a low cost point with an engineering culture that takes quality seriously. Buyers running computer vision, multilingual training data or model evaluation programmes often choose Vietnam to hold quality while keeping the cost per label well below onshore rates.

The right way to compare vendors is not headline rate alone but cost at your target quality. A slightly higher rate that reaches your accuracy threshold in fewer passes is often cheaper in total than a low rate that needs rework.

Estimate your own number

The fastest way to a real figure is to share a sample of your data and your quality target, so a pilot can be priced against your actual task. Our cost savings calculator gives an order of magnitude comparison against onshore delivery in the meantime.

Frequently asked questions

How much does data annotation cost per hour?

Basic labeling in Asian delivery hubs including Vietnam often falls in the single digit dollars per hour range, while onshore US work is several times higher. Complex tasks such as segmentation or 3D annotation cost more. Task complexity, quality tier and volume drive the number more than country alone.

Which country is cheapest for data annotation?

India, the Philippines and Vietnam all sit at a low cost point well below US onshore rates. Vietnam is commonly chosen when engineering led quality on AI data matters alongside cost.

How do I compare annotation vendors fairly?

Compare cost at your target quality, not headline rate alone. A rate that reaches your accuracy threshold in fewer review passes is often cheaper in total than a lower rate that needs rework.