Google Ads published new reporting data retention limits that change how long advertisers can access historical performance data through the interface and APIs. The update offers some clarity about which reporting periods will remain available and what advertisers may need to preserve on their own. Google Ads Reporting Data Availability Google Ads reporting data will have new retention limits beginning June 1, 2026. Hourly, daily, and weekly reporting data collected for periods shorter than one month will be available for 37 months, while monthly, quarterly, and annual data will be available for 11 years. After those periods end, the data will no longer be accessible through the Google Ads interface or APIs. That distinction is important because the new limits do not apply evenly to all reporting data. The shortest access window applies to the more granular data that advertisers often use to evaluate performance changes over time.…