I'm encountering a discrepancy when using the Google Ads connector in Looker Studio. The reported conversions in Looker Studio are higher than those in Google Ads.
We are displaying region-based data along with 'All conversions'. When verifying data for this year (Jan 1–Jan 31, 2025), the numbers appear accurate. However, for last year (Jan–Dec 2024), the conversion data in Looker Studio is higher compared to Google Ads.
Could someone help us understand the possible reasons for this discrepancy and suggest potential solutions? If this is a known issue, we’d appreciate any relevant documentation or best practices from Google.
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