diff --git a/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java b/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
index 4967771f..fcc2d2bc 100644
--- a/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
@@ -261,6 +261,8 @@ public class InferenceResultService {
       throw new CustomApiException("NOT_FOUND_COMPARE_YEAR", HttpStatus.NOT_FOUND);
     }
 
+    log.info("Difference in count = {}", targetMngList.size() - compareMngList.size());
+
     // 로그용 원본 카운트 (fallback 추가 전)
     int targetTotal = targetMngList.size();
     int compareTotalBeforeFallback = compareMngList.size();