Stats from official email:
The Research Track of KDD 2025 (February Cycle) received 1988 submissions, with an overall acceptance rate of ~18.4%. All submissions received at least three reviews, while most had four or five. Area Chairs provided meta-reviews and preliminary recommendations, which were deliberated further by the Senior Area Chairs and decided on by the Program Chairs.
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A submission rejected from the Research Track may not be resubmitted within 12 months to the KDD Research Track (i.e., the earliest resubmission date of your paper to the KDD research track is February 2026).