{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"definitions","count":2,"filters":{"markets":["us-ai-assistant-usage","us-search-engine-usage"],"marketsMatched":true,"matchedMarketCount":2,"matchedMarketSlugs":["us-ai-assistant-usage","us-search-engine-usage"],"unmatchedMarkets":[]},"rows":[{"id":"def-ai-chatbot","marketId":"mkt-ai-chatbot","productBoundary":"Consumer generative AI assistant usage across StatCounter-tracked assistants","geographicBoundary":"United States","measurementBasis":"StatCounter all-platform AI chatbot usage share","denominator":"The tracked assistant shares reported by StatCounter for the monthly snapshot","included":"The assistants listed in the StatCounter share table","excluded":"AI revenue, total users, enterprise use, model supply, chips, and cloud infrastructure","metricFamily":"usage_shares","definitionStatus":"public_proxy","crossMarketUse":"screen_only","timeSeriesUse":"snapshot_only","sourceId":"statcounter-ai-chatbot-us-2026","dataYear":2026,"confidenceLevel":"medium","methodologyNote":"Compute HHI only from the listed StatCounter percentages for the same U.S. monthly usage snapshot.","limitations":"The usage series is a public web-analytics proxy and does not represent the broader AI supply chain or revenue concentration.","marketSlug":"us-ai-assistant-usage","marketName":"U.S. generative AI assistant usage","marketShortName":"AI assistants","sector":"Digital platforms","geography":"United States","marketNaicsCode":"518210","industryHref":"/industries/518210","crosswalkHref":"/markets/economy?bridgeMarket=us-ai-assistant-usage&bridgeNaics=518210#market-industry-crosswalk","sourceTitle":"AI chatbot market share in United States of America May 2026","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/ai-chatbot-market-share/all/united-states-of-america","sourceAccessDate":"2026-06-23","sourceProfileHref":"/sources/statcounter-ai-chatbot-us-2026"},{"id":"def-search","marketId":"mkt-search","productBoundary":"All-platform search engine usage","geographicBoundary":"United States","measurementBasis":"StatCounter search engine referral usage share","denominator":"Observed U.S. search engine usage in each reported monthly snapshot","included":"Named search engines and a residual Other category that closes the public share table to 100 percent","excluded":"Search query volume, search advertising revenue, and other digital advertising activity","metricFamily":"usage_shares","definitionStatus":"public_proxy","crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","sourceId":"statcounter-search-us-2026","dataYear":2026,"confidenceLevel":"medium","methodologyNote":"Compute HHI from the same StatCounter all-platform U.S. usage-share series and retain the residual Other category.","limitations":"Usage share is a web-analytics proxy and should not be presented as search-query share or search-advertising revenue share.","marketSlug":"us-search-engine-usage","marketName":"U.S. search engine usage","marketShortName":"Search engines","sector":"Digital platforms","geography":"United States","marketNaicsCode":"518210","industryHref":"/industries/518210","crosswalkHref":"/markets/economy?bridgeMarket=us-search-engine-usage&bridgeNaics=518210#market-industry-crosswalk","sourceTitle":"Search engine market share in United States of America, April 2023-April 2026","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Desktop%20%26%20Mobile%20%26%20Tablet%20%26%20Console&device_hidden=desktop%2Bmobile%2Btablet%2Bconsole&multi-device=true&statType_hidden=search_engine&region_hidden=US&granularity=monthly&statType=Search%20Engine&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","sourceAccessDate":"2026-07-17","sourceProfileHref":"/sources/statcounter-search-us-2026"}]}