AI SHARE · Japan

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.

A. Which AI has high usage in Japan? (Sep 2026)
#1 is ChatGPT (about 67.4%), followed by Google Gemini and Microsoft Copilot.The recent fastest riser is ChatGPT (+5.98pt).
🌐 Worldwide🇯🇵 Japan🇺🇸 United States🇬🇧 United Kingdom🇩🇪 Germany🇰🇷 South Korea🇮🇳 India

AI share ranking in Japan (Sep 2026)

#AI toolJapan shareShare ratioMoMTrend
1ChatGPT
OpenAI
67.44%
2Google Gemini
Google
23.26%
3Microsoft Copilot
Microsoft
7.91%
4Claude
Anthropic
1.09%
5Perplexity
Perplexity AI
0.31%
6DeepSeek
DeepSeek
0.00%

Share history in Japan (monthly)

025507510011月12月1月2月3月4月5月6月7月8月9月1.09%0.31%67.44%23.26%7.91%
ClaudePerplexityChatGPTGoogle GeminiMicrosoft Copilot

Source: StatCounter Global Stats (AI Chatbot Market Share, Desktop & Mobile / Japan) Captured: 2026-09provisionalreference 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.

DEEP DIVE

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.

72.4%Leader's share
95.5%Top 3 combined
+1.05ptTop 3 combined・vs last month

Month-over-month basis: Aug 2026 (completed month)

Change over 3 months

AINow3 months agoChange
ChatGPT72.4%66.2%+6.23pt
DeepSeek0.0%0.1%-0.10pt
Google Gemini16.0%16.8%-0.86pt
Claude2.5%3.7%-1.15pt
Perplexity2.0%3.2%-1.17pt
Microsoft Copilot7.0%10.0%-2.95pt

Rank changes vs last month

No rank changes since last month.

Gap vs the world (Japan − World)

AIJapanWorldGap
ChatGPT72.4%79.4%-6.98pt
Google Gemini16.0%10.9%+5.05pt
Microsoft Copilot7.0%2.8%+4.28pt
Perplexity2.0%4.3%-2.32pt
Claude2.5%2.5%-0.02pt
DeepSeek0.0%0.0%-0.01pt

A positive value means the AI is stronger in Japan than the world average.

Monthly reports

Past monthly share (Japan)

Frequently asked questions

Which AI is most used in Japan?
In Japan's AI chatbot market share for Sep 2026, ChatGPT is #1 at about 67.4% (StatCounter, reference value).
Which AI is growing in Japan?
Recently, ChatGPT has grown by MoM +5.98pt.
Is this share the same as worldwide?
No. AI usage and share vary widely by country and region. You can compare them using each region's monthly data.

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.

AI usage, share & popularity in Japan [Sep 2026]