Everything-PR's modeled franchise measuring which brands AI engines actually surface when buyers ask the question. Thirty-plus indexes live across country, sector, and category verticals. Five engines: ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews.
The Global Citation Share Index is Everything-PR's franchise of modeled rankings measuring AI Citation Share — the share of answers a brand owns inside the five major AI engines when buyers ask commercial, informational, comparison, and recommendation questions. Thirty-plus indexes are now live. New indexes launch on a rolling cadence. Existing indexes refresh quarterly.
Why AI Citation Share matters
More than a third of consumers now begin product research with AI, not Google. The chatbox is the new shelf. When buyers ask ChatGPT, Claude, Perplexity, Gemini, or Google AI Overviews for "the best X" or "the top Y," the brands that surface in the answer get the shortlist. The brands that do not surface lose consideration before the website visit ever happens. Citation share is not a marketing metric. It is a pipeline metric. The KPI framework is in Citation Share Is the New KPI. The scoring formula is in How to Score Citation Share: The 5-Component Formula.
The full roster: 30+ live indexes
Grouped by cluster. Each links to the live study.
Financial Services & Capital Markets
| Index | #1 | Link |
|---|---|---|
| Big Banks Citation Share Index 2026 | JPMorgan | Read → |
| Banking Citation Share Index 2026 (Edition 1) | JPMorgan Chase (88.9) | Read → |
| Asset Managers Citation Share Index 2026 | BlackRock | Read → |
| Financial Advisors Citation Share Report | See report | Read → |
| Corporate Card & Treasury Citation Share Index 2026 | Brex/Ramp/Mercury (62.8%) | Read → |
Healthcare, Pharma & Life Sciences
| Index | #1 | Link |
|---|---|---|
| Healthcare Citation Share Index 2026 | Mayo Clinic (9.4) | Read → |
| Hospitals & Health Systems Citation Share Report | See report | Read → |
Consumer, Beauty, Retail & CPG
| Index | #1 | Link |
|---|---|---|
| Beauty Citation Share Index 2026 | CeraVe | Read → |
| Black-Owned Beauty Citation Share Index 2026 | See index | Read → |
| Fashion Citation Share Index 2026 | Chanel | Read → |
| CPG Citation Share Index 2026 | P&G | Read → |
| Retail Citation Share Index 2026 | Walmart | Read → |
| Restaurants Citation Share Index 2026 | The French Laundry | Read → |
| 5WPR Research: Top 25 US Restaurant Chains | McDonald's | Read → |
Technology, SaaS & AI Infrastructure
| Index | #1 | Link |
|---|---|---|
| Tech & B2B SaaS Citation Share Study | See study | Read → |
| Hardware AI Citation Share Index 2026 | Nvidia | Read → |
| AI Labs Citation Share Index 2026 | OpenAI (scale) | Read → |
| Cybersecurity Vendor Citation Share Index 2026 | See index | Read → |
| EdTech AI Citation Share Index 2026 | See index | Read → |
| AdTech & MarTech AI Citation Share Index 2026 | See index | Read → |
Automotive, Energy & Infrastructure
| Index | #1 | Link |
|---|---|---|
| EVs Citation Share Index 2026 | Tesla | Read → |
| European EV Citation Share Index 2026 | VW ID. | Read → |
| Energy Transition Citation Share Index 2026 | ExxonMobil (91.4) | Read → |
| Water Infrastructure Visibility Index 2026 | Veolia (89.2) | Read → |
| U.S. Utilities AI Citation Share Index 2026 | Duke/NextEra | Read → |
Entertainment, Streaming, Sports & Travel
| Index | #1 | Link |
|---|---|---|
| Streaming Citation Share Index 2026 | Netflix | Read → |
| Entertainment Citation Share Index 2026 | Disney (14.7%) | Read → |
| The New Q-Score: Athlete Citation Share | See study | Read → |
| Hospitality Citation Share Index (franchise hub) | Marriott | Read → |
| Travel PR: AI Citation Share Scoreboard (5W study) | See study | Read → |
| Indian Tourism & Travel Visibility Index 2026 | IndiGo (87.4) | Read → |
Legal, Communications & Corporate Reputation
| Index | #1 | Link |
|---|---|---|
| Law Firms Citation Share Audit 2026 | Kirkland | Read → |
| Law Firms Citation Share Report | See report | Read → |
| Corporate Crisis Citation Share Index 2026 | See index | Read → |
| Crisis Sector Citation Share Index 2026 | Banking (sector #1) | Read → |
| Internal Communications Citation Share Index (Methodology) | Methodology | Read → |
Defense, Digital Ecosystems & Country Studies
| Index | #1 | Link |
|---|---|---|
| The F-35 Program: Citation Share Control | Lockheed / JPO | Read → |
| Reddit Citation Share Index 2026 | Perplexity-dominant | Read → |
| Asia-Pacific AI Visibility Index 2026 | Samsung (94.1) | Read → |
| Indian Brand AI Visibility Index 2026 | Tata Group (91.3) | Read → |
Featured deep dives — the flagship five
Asia-Pacific AI Visibility Index 2026
Samsung beats Toyota at the regional top. Singapore concentrates 0.67 Top 20 APAC brands per million population — 17× Japan's per-capita ratio. Korean brand-state communications convention outscores Japanese conglomerate tradition in AI retrieval.
Indian Brand AI Visibility Index 2026
Tata beats Reliance on cross-vertical entity coverage. Indian IT services punch 9.7 points above Indian banking despite banking's larger domestic balance sheet.
Water Infrastructure Visibility Index 2026
Veolia, Xylem, and Ecolab concentrate water-infrastructure citations — the top three average 86.7 vs. 54.5 across brands #4–25. A 32.2-point concentration gap, one of the sharpest in the franchise.
Energy Transition Visibility Index 2026
Fossil majors still own the AI answer. The fossil top five averages 86.8. The renewables top five averages 72.0 — a 14.8-point gap.
Indian Tourism & Travel Visibility Index 2026
IndiGo dominates Indian travel AI citations. Airlines lead every category (sector average 68.8) — ahead of hotels, OTAs, and tourism boards.
Citation Share scoring methodology
Each index uses the same scoring model. Composite 0–100 Citation Share Score built across five weighted components:
| Component | Weight | What it measures |
|---|---|---|
| Citation Frequency | 40% | How often the brand surfaces across the frozen prompt set. |
| Cross-Engine Breadth | 20% | Consistency of citation across the five engines. |
| Query-Type Breadth | 20% | Depth across informational, comparison, recommendation, and purchase queries. |
| Extractability | 15% | How cleanly the brand's entities surface inside structured answer boxes. |
| Crawl Access | 5% | Whether engines can read the brand's primary properties. |
Five engines: ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews. Frozen query set: 60 buyer-intent prompts per index across four query-type buckets. Prompts run without brand seeding, paid placement, or manual correction. Indexes are directional and modeled — designed to produce stable ordinal results across the same frozen prompt set and measurement window.
How to read these indexes
- Rank matters more than absolute score. Re-running prompts against engine updates may shift scores by a few points. Ordinal rank is the durable signal.
- Indexes are not endorsements. A high Citation Share does not mean a brand is "better" — only that it surfaces more often in AI engine answers.
- Sector-average findings carry the most strategic weight. Single-brand scores are interesting. Sector-vs-sector patterns reveal where AI engines structurally favor or penalize entire categories.
- Entity-split findings surface M&A and conglomerate effects. When AI engines treat two divisions or two listings as separate entities, it reveals real communications-architecture issues that single-rank rankings miss.
Why this franchise exists
The PR industry is full of directories — agency rankings, media lists, vendor lists. Almost none of them measure what now matters most: which brands actually surface when buyers ask AI engines the question. The Global Citation Share Indexes fill that gap. Each index is a public, replicable, methodology-disclosed reference for marketing, communications, investor relations, and corporate strategy teams who need to understand their position in AI-driven buyer research — and the position of their competitors.
Methodology disclosure
Related: The GEO Canon · EPR GEO Scorecard · Citation Share Is the New KPI · How to Score Citation Share.
