diff --git a/.changeset/dry-gifts-report.md b/.changeset/dry-gifts-report.md
new file mode 100644
index 0000000000000..353dfaa2c857f
--- /dev/null
+++ b/.changeset/dry-gifts-report.md
@@ -0,0 +1,6 @@
+---
+'@rocket.chat/models': patch
+'@rocket.chat/meteor': patch
+---
+
+Adds migration to remove redundant statistics index after TTL index consolidation.
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/apps/meteor/server/startup/migrations/index.ts b/apps/meteor/server/startup/migrations/index.ts
index d10693f181110..deadd9ff88f59 100644
--- a/apps/meteor/server/startup/migrations/index.ts
+++ b/apps/meteor/server/startup/migrations/index.ts
@@ -41,5 +41,6 @@ import './v332';
 import './v333';
 import './v334';
 import './v335';
+import './v336';
 
 export * from './xrun';
diff --git a/apps/meteor/server/startup/migrations/v336.ts b/apps/meteor/server/startup/migrations/v336.ts
new file mode 100644
index 0000000000000..2f0e174e900ab
--- /dev/null
+++ b/apps/meteor/server/startup/migrations/v336.ts
@@ -0,0 +1,15 @@
+import { Statistics } from '@rocket.chat/models';
+
+import { addMigration } from '../../lib/migrations';
+
+addMigration({
+	version: 336,
+	name: 'Remove redundant statistics createdAt descending index',
+	async up() {
+		try {
+			await Statistics.col.dropIndex('createdAt_-1');
+		} catch {
+			// Index might not exist on fresh installations
+		}
+	},
+});
diff --git a/packages/models/src/models/Statistics.ts b/packages/models/src/models/Statistics.ts
index 8a1dae77dc76e..38f8e82c6afbf 100644
--- a/packages/models/src/models/Statistics.ts
+++ b/packages/models/src/models/Statistics.ts
@@ -10,7 +10,7 @@ export class StatisticsRaw extends BaseRaw<IStats> implements IStatisticsModel {
 	}
 
 	protected override modelIndexes(): IndexDescription[] {
-		return [{ key: { createdAt: -1 } }];
+		return [{ key: { createdAt: 1 }, expireAfterSeconds: 365 * 24 * 60 * 60 }];
 	}
 
 	async findLast(): Promise<IStats> {