The AI training data market: about $3.2bn and growing over 20% a year
Analysts put spending on AI training data at about $3.2bn in 2025, and most expect it to grow by more than a fifth every year to 2030.
AI training data market, illustrative path at ~22% a yearBased on 2025 analyst estimates (GMI, Fortune BI, Grand View Research); projection illustrative
The spread of estimates
Most 2025 estimates cluster around $2.8bn–$3.6bn.
Growth forecasts range from about 17% to 28% a year.
Grand View Research projects $8.6bn by 2030.
Where company data fits
Much of today's spend is on labelling and expert data. Licensed company archives are a smaller, faster-growing slice, as developers build agents for real work.
Key takeaways
A multi-billion market, growing fast.
Estimates vary, so treat any single figure loosely.
