AI SHARE · United States

AI usage & share ranking in the United States

AI chatbot market share and usage in this region, plus monthly history. Compare the popularity of ChatGPT, Gemini, Claude and more in the United States with data.

A. Which AI has high usage in the United States? (Sep 2026)
#1 is ChatGPT (about 74.1%), followed by Google Gemini and Microsoft Copilot.The recent fastest riser is ChatGPT (+7.10pt).
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AI share ranking in the United States (Sep 2026)

#AI toolUnited States shareShare ratioMoMTrend
1ChatGPT
OpenAI
74.14%
2Google Gemini
Google
12.84%
3Microsoft Copilot
Microsoft
6.41%
4Perplexity
Perplexity AI
3.43%
5Claude
Anthropic
3.12%
6DeepSeek
DeepSeek
0.06%

Share history in the United States (monthly)

02040608011月12月1月2月3月4月5月6月7月8月9月3.12%3.43%74.14%12.84%6.41%
ClaudePerplexityChatGPTGoogle GeminiMicrosoft Copilot

Source: StatCounter Global Stats (AI Chatbot Market Share, Desktop & Mobile / United States) 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 the United States (Sep 2026)

A breakdown of the AI share in the United States by market concentration, 3-month momentum and rank changes. Every figure is derived from StatCounter's monthly data.

72.3%Leader's share
91.9%Top 3 combined
+5.08ptTop 3 combined・vs last month

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

Change over 3 months

AINow3 months agoChange
ChatGPT72.3%67.1%+5.18pt
Google Gemini11.7%10.8%+0.89pt
DeepSeek0.1%0.1%+0.03pt
Perplexity3.7%5.2%-1.48pt
Claude4.4%6.0%-1.68pt
Microsoft Copilot7.9%10.8%-2.95pt

Rank changes vs last month

No rank changes since last month.

Gap vs the world (United States − World)

AIUnited StatesWorldGap
ChatGPT72.3%79.4%-7.16pt
Microsoft Copilot7.9%2.8%+5.12pt
Claude4.4%2.5%+1.84pt
Google Gemini11.7%10.9%+0.79pt
Perplexity3.7%4.3%-0.65pt
DeepSeek0.1%0.0%+0.06pt

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

Monthly reports

Past monthly share (United States)

Frequently asked questions

Which AI is most used in the United States?
In the United States's AI chatbot market share for Sep 2026, ChatGPT is #1 at about 74.1% (StatCounter, reference value).
Which AI is growing in the United States?
Recently, ChatGPT has grown by MoM +7.10pt.
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 the United States [Sep 2026]