AI usage & share ranking in Japan
AI chatbot market share and usage in this region, plus monthly history. Compare the popularity of ChatGPT, Gemini, Claude and more in Japan with data.
AI share ranking in Japan (Oct 2026)
| # | AI tool | Japan share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 49.65% | — | ||
| 2 | Google Gemini | 32.78% | — | ||
| 3 | Microsoft Copilot Microsoft | 10.71% | — | ||
| 4 | Perplexity Perplexity AI | 5.32% | — | ||
| 5 | Claude Anthropic | 1.47% | — | ||
| 6 | DeepSeek DeepSeek | 0.07% | — |
Share history in Japan (monthly)
Source: StatCounter Global Stats (AI Chatbot Market Share, Desktop & Mobile / Japan) ／ Captured: 2026-10 （provisional） ／ reference value
The current month is a provisional, month-to-date figure. Month-over-month change and risers/fallers are based on the latest completed month.
AI share breakdown for Japan (Sep 2026)
A breakdown of the AI share in Japan by market concentration, 3-month momentum and rank changes. Every figure is derived from StatCounter's monthly data.
Month-over-month basis: Sep 2026 (completed month)
Change over 3 months
| AI | Now | 3 months ago | Change |
|---|---|---|---|
| ChatGPT | 74.1% | 67.7% | +6.45pt |
| Google Gemini | 16.7% | 14.3% | +2.42pt |
| DeepSeek | 0.1% | 0.0% | +0.06pt |
| Perplexity | 2.0% | 2.9% | -0.92pt |
| Claude | 0.9% | 4.1% | -3.22pt |
| Microsoft Copilot | 6.2% | 11.0% | -4.78pt |
Rank changes vs last month
Gap vs the world (Japan − World)
| AI | Japan | World | Gap |
|---|---|---|---|
| ChatGPT | 74.1% | 80.5% | -6.37pt |
| Google Gemini | 16.7% | 10.9% | +5.76pt |
| Microsoft Copilot | 6.2% | 1.8% | +4.43pt |
| Perplexity | 2.0% | 5.8% | -3.81pt |
| Claude | 0.9% | 0.9% | -0.06pt |
| DeepSeek | 0.1% | 0.0% | +0.05pt |
A positive value means the AI is stronger in Japan than the world average.
Past monthly share (Japan)
Frequently asked questions
Which AI is most used in Japan?
Which AI is growing in Japan?
Is this share the same as worldwide?
AI share in other countries & regions
⚠ 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.