diff --git a/.changeset/young-humans-stare.md b/.changeset/young-humans-stare.md
new file mode 100644
index 0000000000000..c887f9479f673
--- /dev/null
+++ b/.changeset/young-humans-stare.md
@@ -0,0 +1,5 @@
+---
+'@rocket.chat/models': patch
+---
+
+Adds automatic cleanup of statistics collection with 1-year retention via TTL index.
diff --git a/packages/models/src/models/Statistics.ts b/packages/models/src/models/Statistics.ts
index 8a1dae77dc76e..47ddb6a633f93 100644
--- a/packages/models/src/models/Statistics.ts
+++ b/packages/models/src/models/Statistics.ts
@@ -10,7 +10,10 @@ export class StatisticsRaw extends BaseRaw<IStats> implements IStatisticsModel {
 	}
 
 	protected override modelIndexes(): IndexDescription[] {
-		return [{ key: { createdAt: -1 } }];
+		return [
+			{ key: { createdAt: -1 } },
+			{ key: { createdAt: 1 }, expireAfterSeconds: 365 * 24 * 60 * 60 }, // expire after 1 year
+		];
 	}
 
 	async findLast(): Promise<IStats> {