Jun 2026 AI share ranking
A monthly report of AI chatbot market share and usage worldwide and in Japan as of Jun 2026, with month-over-month change and fastest risers/fallers.
A. The bottom line for Jun 2026
Worldwide #1 is ChatGPT (about 76.9%).The fastest riser is Google Gemini (MoM +0.93pt).
Worldwide share (Jun 2026)
| # | AI tool | Worldwide share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 76.90% | ▼2.16 | ||
| 2 | Google Gemini | 7.96% | ▲0.93 | ||
| 3 | Perplexity Perplexity AI | 7.87% | ▲0.20 | ||
| 4 | Claude Anthropic | 3.75% | ▲0.76 | ||
| 5 | Microsoft Copilot Microsoft | 3.48% | ▲0.24 | ||
| 6 | DeepSeek DeepSeek | 0.04% | ▲0.03 |
▲ Gained share
Google Gemini▲0.93
Claude▲0.76
Microsoft Copilot▲0.24
▼ Lost share
ChatGPT▼2.16
DeepSeek▲0.03
Perplexity▲0.20
Worldwide share history through Jun 2026
Japan share (Jun 2026)
| # | AI tool | Japan share | Share ratio | MoM |
|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 67.67% | ▲1.46 | |
| 2 | Google Gemini | 14.28% | ▼2.55 | |
| 3 | Microsoft Copilot Microsoft | 10.99% | ▲0.99 | |
| 4 | Claude Anthropic | 4.11% | ▲0.45 | |
| 5 | Perplexity Perplexity AI | 2.93% | ▼0.26 | |
| 6 | DeepSeek DeepSeek | 0.01% | ▼0.10 |
Source: StatCounter Global Stats (AI Chatbot Market Share) ／ Captured: 2026-06 ／ reference value
Frequently asked questions
Which AI had the highest share in Jun 2026?
ChatGPT, with a worldwide market share of about 76.9% (StatCounter).
Which AI gained the most in Jun 2026?
Google Gemini gained the most, at MoM +0.93pt.
⚠ These rankings are reference values based on public market-share data, web-traffic estimates and editorial research, and do not represent a complete count of every user of each AI tool. Rankings change with the measurement method (web-visit share vs. market share, etc.). Always check each official site for the latest information.