GA4 Data Sampling
Quick answer
Google documents a 10 million event sampling limit per query on standard properties and 1 billion on 360. Shorten ranges or export to BigQuery.
Most likely fix: Narrow the query
How to fix it
Try these in order — the most common fix is first.
1. Narrow the query
- Shorten the date range or reduce dimensions
Did this fix it?2. Use BigQuery
- Export raw events and query them directly
Did this fix it?3. Upgrade to 360
- 360 raises the limit to 1B events and offers unsampled explorations
Did this fix it?
Symptoms
Reports or explorations flagged as based on a sample.
Why it happens
- Query exceeds the 10M event limit
- Standard property limits
This guide also covers
- ga4 sampling
- google analytics sampled data
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