Wikipedia leads the current citation index | Trakkr Research
The current live citation graph still has a strong head domain.
Methodology: Built from the live citation index backing Trakkr Research, using 8,777,687 citations across 208,567 unique domains observed between October 3, 2025 and April 17, 2026.
Claim
en.wikipedia.org accounts for 6.43% of all citations in the current Trakkr index.
Why it matters
This is the clearest proof that AI systems repeatedly prefer dense, entity-rich reference pages.
Supporting metrics
| Metric | Value | Context |
|---|---|---|
| Wikipedia share | 6.43% | en.wikipedia.org alone accounts for 564,191 citations. |
| Citations analyzed | 8.78M | Current live citation index as of April 17, 2026. |
Related pages
Continue through the same study cluster.
- which sources dominate ai citations - Related answer page
- how concentrated is the ai citation landscape - Related answer page
- source category share tracker - Related tracker page
Data & Sources
- Where AI Gets Its Answers - Flagship study behind this page
- Page JSON - Machine-readable companion file