diff --git a/src/db/migrations/009_add_stats.ts b/src/db/migrations/009_add_stats.ts
new file mode 100644
index 0000000..9655c05
--- /dev/null
+++ b/src/db/migrations/009_add_stats.ts
@@ -0,0 +1,24 @@
+import { Kysely } from '@/deps.ts';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .createTable('pubkey_stats')
+    .addColumn('pubkey', 'text', (col) => col.primaryKey())
+    .addColumn('followers_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .addColumn('following_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .addColumn('notes_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .execute();
+
+  await db.schema
+    .createTable('event_stats')
+    .addColumn('event_id', 'text', (col) => col.primaryKey().references('events.id').onDelete('cascade'))
+    .addColumn('replies_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .addColumn('reposts_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .addColumn('reactions_count', 'integer', (col) => col.notNull().defaultTo(0))
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema.dropTable('pubkey_stats').execute();
+  await db.schema.dropTable('event_stats').execute();
+}