metric,value,unit,date,source_name,source_url,notes
Weekly active users,900000000,users,2026-02-27,OpenAI official announcement,https://openai.com/index/openai-secures-record-funding/,WAU not MAU
Monthly website visits (Apr 2026),5510000000,visits,2026-04,SimilarWeb via DemandSage,https://www.demandsage.com/chatgpt-statistics/,Web traffic visits not unique users
Monthly website visits (Mar 2026),5729000000,visits,2026-03,SimilarWeb,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,
Daily prompts processed,2500000000,prompts,2025-07,OpenAI (Sam Altman),https://openai.com/,Last publicly confirmed July 2025
Weekly messages sent,18000000000,messages,2025-07,OpenAI research,https://openai.com/,Last publicly confirmed July 2025
Daily active users (estimated),193000000,users,2026-Q1,Industry estimate from WAU,,Derived estimate not OpenAI-confirmed
Average session duration (seconds),352,seconds,2026-04,SimilarWeb,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,5 min 52 sec
Pages per visit,3.55,pages,2026-04,SimilarWeb,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,
Total paying subscribers,50000000,subscribers,2026-02,OpenAI announcement,https://openai.com/index/openai-secures-record-funding/,Across all paid tiers
Paying business users,9000000,users,2026-02,OpenAI announcement,https://openai.com/index/openai-secures-record-funding/,Grew 4x in under 6 months
Workplace seats,7000000,seats,2025-12,OpenAI State of Enterprise AI 2025,https://openai.com/,9x YoY growth
Enterprise seat YoY growth,9,multiplier,2025-12,OpenAI State of Enterprise AI 2025,https://openai.com/,vs December 2024
Fortune 500 adoption,92,percent,2025-2026,OpenAI / Reuters,https://www.reuters.com/,92-93% depending on source
Business clients globally,1500000,clients,2026,OpenAI,https://openai.com/,All types including SMB
OpenAI revenue 2022,28000000,USD,2022,Sacra,https://sacra.com/c/openai/,Annual total (pre-ChatGPT launch scale)
OpenAI revenue 2023,2000000000,USD,2023,Sacra / OpenAI CFO,https://sacra.com/c/openai/,Annual total
OpenAI revenue 2024,6000000000,USD,2024,OpenAI CFO Sarah Friar,https://sacra.com/c/openai/,Annual total confirmed
OpenAI revenue 2025,20000000000,USD,2025,OpenAI CFO Sarah Friar public statement,https://sacra.com/c/openai/,Annual total confirmed January 2026
OpenAI annualized revenue Feb 2026,25000000000,USD,2026-02,Sacra analyst estimate,https://sacra.com/c/openai/,Analyst estimate not official disclosure
OpenAI monthly revenue,2000000000,USD,2026-03,OpenAI funding announcement,https://sacra.com/c/openai/,Disclosed at $122B funding round
OpenAI valuation Mar 2026,852000000000,USD,2026-03-31,OpenAI $122B funding round,https://sacra.com/c/openai/,Post-money valuation
Total funding raised,140000000000,USD,2026,OpenAI,https://openai.com/,Approximate total
ChatGPT Plus retention (12-month),59,percent,2025-2026,Incremys analysis,https://www.incremys.com/en/resources/blog/chatgpt-statistics,
ChatGPT Team retention (12-month),68,percent,2025-2026,Incremys analysis,https://www.incremys.com/en/resources/blog/chatgpt-statistics,
ChatGPT Enterprise retention (12-month),88,percent,2025-2026,Incremys analysis,https://www.incremys.com/en/resources/blog/chatgpt-statistics,Highest retention tier
ChatGPT web traffic share Jan 2025,87.2,percent,2025-01,Similarweb,https://almcorp.com/blog/google-gemini-vs-chatgpt-market-share-2026/,Share of generative AI web traffic
ChatGPT web traffic share Sep 2025,79.0,percent,2025-09,Similarweb,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,
ChatGPT web traffic share Jan 2026,64.6,percent,2026-01-16,Similarweb via PPC.land,https://ppc.land/chatgpts-lead-shrinks-as-gemini-surges-in-ai-traffic-war/,
ChatGPT web traffic share Mar 2026,56.72,percent,2026-03,Similarweb via TechnologyChecker,https://technologychecker.io/blog/chatgpt-statistics,
Gemini web traffic share Jan 2025,5.4,percent,2025-01,Similarweb,https://almcorp.com/blog/google-gemini-vs-chatgpt-market-share-2026/,
Gemini web traffic share Mar 2026,25.46,percent,2026-03,Similarweb via TechnologyChecker,https://technologychecker.io/blog/chatgpt-statistics,
Claude web traffic share Jan 2025,1.4,percent,2025-01,Similarweb,https://technologychecker.io/blog/chatgpt-statistics,
Claude web traffic share Mar 2026,6.02,percent,2026-03,Similarweb via TechnologyChecker,https://technologychecker.io/blog/chatgpt-statistics,4.3x increase
Grok web traffic share Jan 2026,3.5,percent,2026-01-16,Similarweb via PPC.land,https://ppc.land/chatgpts-lead-shrinks-as-gemini-surges-in-ai-traffic-war/,
ChatGPT US mobile DAU share Jan 2025,69.1,percent,2025-01,FatJoe / Similarweb panel,https://fatjoe.com/blog/chatgpt-stats/,
ChatGPT US mobile DAU share May 2026,38.7,percent,2026-05,FatJoe / Similarweb panel,https://fatjoe.com/blog/chatgpt-stats/,
US adults who have used ChatGPT,34,percent,2025-03,Pew Research Center,https://www.pewresearch.org/short-reads/2025/06/25/34-of-us-adults-have-used-chatgpt-about-double-the-share-in-2023/,Probability-sample survey n=5123
US adults under 30 ChatGPT use,58,percent,2025-03,Pew Research Center,https://www.pewresearch.org/short-reads/2025/06/25/34-of-us-adults-have-used-chatgpt-about-double-the-share-in-2023/,Pew Research
US adults 65+ ChatGPT use,6,percent,2025-03,Pew Research Center,https://www.pewresearch.org/short-reads/2025/06/25/34-of-us-adults-have-used-chatgpt-about-double-the-share-in-2023/,18-29 rate is 7.2x this
US teens (13-17) using ChatGPT,59,percent,2025-12,Pew Research Center,https://www.pewresearch.org/internet/2025/12/09/teens-social-media-and-ai-chatbots-2025/,Most-used chatbot among teens
US teens using ChatGPT for schoolwork,26,percent,2025-12,Pew Research Center,https://www.pewresearch.org/internet/2025/12/09/teens-social-media-and-ai-chatbots-2025/,Up from 13% in 2023
Gender split male (Apr 2026 SimilarWeb),54.66,percent,2026-04,SimilarWeb panel via DemandSage,https://www.demandsage.com/chatgpt-statistics/,
Gender split female (Apr 2026 SimilarWeb),45.34,percent,2026-04,SimilarWeb panel via DemandSage,https://www.demandsage.com/chatgpt-statistics/,
Gender split male at launch,80,percent,2022-11,OpenAI Economic Research Paper,https://cdn.openai.com/pdf/a253471f-8260-40c6-a2cc-aa93fe9f142e/economic-research-chatgpt-usage-paper.pdf,Name-based inference method
Gender split feminine names Jun 2025,52,percent,2025-06,OpenAI Economic Research Paper,https://cdn.openai.com/pdf/a253471f-8260-40c6-a2cc-aa93fe9f142e/economic-research-chatgpt-usage-paper.pdf,Name-based inference method
Age 18-24 share of users,23.09,percent,2025-09,SimilarWeb panel,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,
Age 25-34 share of users,28.86,percent,2025-09,SimilarWeb panel,https://www.similarweb.com/blog/marketing/geo/gen-ai-stats/,Largest single age group
Share of messages from users under 26,~50,percent,2025-05,OpenAI Economic Research Paper,https://cdn.openai.com/pdf/a253471f-8260-40c6-a2cc-aa93fe9f142e/economic-research-chatgpt-usage-paper.pdf,
India WAU reached,100000000,users,2026-Q1,OpenAI,https://openai.com/,India hit 100M WAU milestone
Countries with ChatGPT access,161,countries,2025-2026,OpenAI / Tool Advisor,,
Countries with ChatGPT bans/restrictions,36,countries,2025-2026,News reports,,China is largest restricted market
ARPU per WAU 2023 (Axis calculation),20.00,USD/WAU/year,2023,Axis Intelligence Research,https://axis-intelligence.com/stats/chatgpt-statistics-2026/,Original cross-source calculation: $2B revenue / ~100M avg WAU
ARPU per WAU 2024 (Axis calculation),24.00,USD/WAU/year,2024,Axis Intelligence Research,https://axis-intelligence.com/stats/chatgpt-statistics-2026/,Original cross-source calculation: $6B revenue / ~250M avg WAU
ARPU per WAU 2025 (Axis calculation),33.33,USD/WAU/year,2025,Axis Intelligence Research,https://axis-intelligence.com/stats/chatgpt-statistics-2026/,Original cross-source calculation: $20B revenue / ~600M avg WAU
Monthly market share erosion rate,2.18,pp/month,2025-01 to 2026-03,Axis Intelligence Research,https://axis-intelligence.com/stats/chatgpt-statistics-2026/,Calculated from Similarweb data (87.2% to 56.72% / 14 months)
OpenAI computing capacity 2025,1.9,gigawatts,2025-12,OpenAI CFO Sarah Friar,https://sacra.com/c/openai/,From 0.2GW in 2023
OpenAI inference costs 2025,8400000000,USD,2025,Sacra,https://sacra.com/c/openai/,
OpenAI projected inference costs 2026,14100000000,USD,2026,Sacra projection,https://sacra.com/c/openai/,
OpenAI daily operating cost estimate,700000,USD/day,2026,Analyst estimates,,Approximate
Active developer API accounts,3000000,accounts,2025-2026,OpenAI,https://openai.com/,
Tokens processed per minute,15000000000,tokens/minute,2026-Q1,OpenAI,https://openai.com/,
Organizations using AI in 1+ function (McKinsey),78,percent,2024,McKinsey Global Institute,https://www.mckinsey.com/capabilities/quantumblack/our-insights/the-state-of-ai,
Orgs using GenAI regularly (McKinsey),71,percent,2024,McKinsey Global Institute,https://www.mckinsey.com/capabilities/quantumblack/our-insights/the-state-of-ai,
Enterprises with GenAI in production by 2026 (Gartner forecast),80,percent,2026,Gartner,https://www.gartner.com/,Forecast
Harvard/MIT study task speed improvement,12.2,percent,2023,Randomized Controlled Trial (Science),https://www.science.org/doi/10.1126/science.adh2586,BCG consultants n=758
Harvard/MIT study work quality improvement,40,percent,2023,Randomized Controlled Trial (Science),https://www.science.org/doi/10.1126/science.adh2586,Rated by blind evaluators