{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"trend-series","count":12,"filters":{"display":"absolute","from":2023,"metric":null,"markets":["us-mobile-operating-system-usage"],"to":2026},"summary":{"anchorCount":12,"chartEligibleCount":12,"definitionBlockedCount":0,"marketCount":1,"metricCount":3,"sourceCount":1},"events":[],"guardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract.","rows":[{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"hhi","metricLabel":"Herfindahl-Hirschman Index","metricUnit":"index","year":2023,"value":5157,"displayMode":"absolute","displayValue":5157,"baselineYear":2023,"baselineValue":5157,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"computed_from_public_shares","leaderName":"iOS","participantCount":9,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2023","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"HHI is computed from every category in the pinned StatCounter April mobile operating-system row; source labels and rounding are preserved.","notes":"Page-view usage is a public web-analytics proxy, not device sales, installed base, users, revenue, or a legal market.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=hhi&from=2023&to=2023","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"hhi","metricLabel":"Herfindahl-Hirschman Index","metricUnit":"index","year":2024,"value":5055,"displayMode":"absolute","displayValue":5055,"baselineYear":2023,"baselineValue":5157,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"computed_from_public_shares","leaderName":"iOS","participantCount":9,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2024","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"HHI is computed from every category in the pinned StatCounter April mobile operating-system row; source labels and rounding are preserved.","notes":"Page-view usage is a public web-analytics proxy, not device sales, installed base, users, revenue, or a legal market.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=hhi&from=2024&to=2024","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"hhi","metricLabel":"Herfindahl-Hirschman Index","metricUnit":"index","year":2025,"value":5094,"displayMode":"absolute","displayValue":5094,"baselineYear":2023,"baselineValue":5157,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"computed_from_public_shares","leaderName":"iOS","participantCount":9,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2025","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"HHI is computed from every category in the pinned StatCounter April mobile operating-system row; source labels and rounding are preserved.","notes":"Page-view usage is a public web-analytics proxy, not device sales, installed base, users, revenue, or a legal market.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=hhi&from=2025&to=2025","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"hhi","metricLabel":"Herfindahl-Hirschman Index","metricUnit":"index","year":2026,"value":5337,"displayMode":"absolute","displayValue":5337,"baselineYear":2023,"baselineValue":5157,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"computed_from_public_shares","leaderName":"iOS","participantCount":9,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2026","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"HHI is computed from every category in the pinned StatCounter April mobile operating-system row; source labels and rounding are preserved.","notes":"Page-view usage is a public web-analytics proxy, not device sales, installed base, users, revenue, or a legal market.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=hhi&from=2026&to=2026","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"cr4","metricLabel":"Four-participant concentration ratio","metricUnit":"percent","year":2023,"value":99.87,"displayMode":"absolute","displayValue":99.87,"baselineYear":2023,"baselineValue":99.87,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"calculated_from_sourced_participant_shares","leaderName":"iOS","participantCount":7,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2023","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2023 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2023 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=cr4&from=2023&to=2023","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"cr4","metricLabel":"Four-participant concentration ratio","metricUnit":"percent","year":2024,"value":99.91,"displayMode":"absolute","displayValue":99.91,"baselineYear":2023,"baselineValue":99.87,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"calculated_from_sourced_participant_shares","leaderName":"iOS","participantCount":7,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2024","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2024 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2024 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=cr4&from=2024&to=2024","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"cr4","metricLabel":"Four-participant concentration ratio","metricUnit":"percent","year":2025,"value":99.96,"displayMode":"absolute","displayValue":99.96,"baselineYear":2023,"baselineValue":99.87,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"calculated_from_sourced_participant_shares","leaderName":"iOS","participantCount":7,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2025","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2025 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2025 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=cr4&from=2025&to=2025","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"cr4","metricLabel":"Four-participant concentration ratio","metricUnit":"percent","year":2026,"value":100,"displayMode":"absolute","displayValue":100,"baselineYear":2023,"baselineValue":99.87,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"calculated_from_sourced_participant_shares","leaderName":"iOS","participantCount":7,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2026","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2026 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2026 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=cr4&from=2026&to=2026","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"leaderShare","metricLabel":"Leading-participant share","metricUnit":"percent","year":2023,"value":59.89,"displayMode":"absolute","displayValue":59.89,"baselineYear":2023,"baselineValue":59.89,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"largest_sourced_non_aggregate_share","leaderName":"iOS","participantCount":7,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2023","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2023 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2023 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=leaderShare&from=2023&to=2023","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"leaderShare","metricLabel":"Leading-participant share","metricUnit":"percent","year":2024,"value":56.53,"displayMode":"absolute","displayValue":56.53,"baselineYear":2023,"baselineValue":59.89,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"largest_sourced_non_aggregate_share","leaderName":"iOS","participantCount":7,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2024","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2024 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2024 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=leaderShare&from=2024&to=2024","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"leaderShare","metricLabel":"Leading-participant share","metricUnit":"percent","year":2025,"value":57.6,"displayMode":"absolute","displayValue":57.6,"baselineYear":2023,"baselineValue":59.89,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"largest_sourced_non_aggregate_share","leaderName":"iOS","participantCount":7,"shareCoverage":99.99,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2025","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2025 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2025 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=leaderShare&from=2025&to=2025","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. Cross-market use remains governed by each market definition contract."},{"marketId":"mkt-mobile-os","marketSlug":"us-mobile-operating-system-usage","marketName":"Mobile operating systems","sector":"Digital platforms","geography":"United States","metric":"leaderShare","metricLabel":"Leading-participant share","metricUnit":"percent","year":2026,"value":63.08,"displayMode":"absolute","displayValue":63.08,"baselineYear":2023,"baselineValue":59.89,"chartEligible":true,"exclusion":null,"crossMarketUse":"screen_only","timeSeriesUse":"comparable_anchors","metricFamily":"usage_shares","measurementBasis":"StatCounter mobile operating-system page-view share","dataStatus":"estimated_public","confidenceLevel":"medium","calculationMethod":"largest_sourced_non_aggregate_share","leaderName":"iOS","participantCount":7,"shareCoverage":100,"sourceId":"statcounter-mobile-os-us-2026","sourceName":"Mobile operating system market share in United States of America April 2026","sourcePublisher":"StatCounter Global Stats","sourceUrl":"https://gs.statcounter.com/chart.php?device=Mobile&device_hidden=mobile&statType_hidden=os&region_hidden=US&granularity=monthly&statType=Operating%20System&region=United%20States%20of%20America&fromInt=202304&toInt=202604&fromMonthYear=2023-04&toMonthYear=2026-04&csv=1","methodologyNote":"Directly transcribed from the pinned StatCounter April 2026 U.S. mobile operating-system CSV row.","notes":"StatCounter April 2026 U.S. mobile operating-system share for source category iOS.","marketHref":"/markets/us-mobile-operating-system-usage","explorerHref":"/trends?markets=us-mobile-operating-system-usage&metric=leaderShare&from=2026&to=2026","interpretationGuardrail":"Anchor observations are not interpolated annual estimates. 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