diff --git a/devfront/src/features/clients/ClientsPage.tsx b/devfront/src/features/clients/ClientsPage.tsx
index 2672c268..07667634 100644
--- a/devfront/src/features/clients/ClientsPage.tsx
+++ b/devfront/src/features/clients/ClientsPage.tsx
@@ -87,7 +87,8 @@ function ClientsPage() {
 
   const clients = data?.items || [];
   const totalClients = clients.length;
-  // TODO: Add real stats for active sessions and auth failures
+  const activeClients = clients.filter((client) => client.status === "active").length;
+  // TODO: Replace with real session/auth-failure metrics when backend endpoints are available.
   type StatTone = "up" | "down" | "stable";
   type StatItem = {
     labelKey: string;
@@ -110,10 +111,10 @@ function ClientsPage() {
     {
       labelKey: "ui.dev.clients.stats.active_sessions",
       labelFallback: "활성 세션",
-      value: "-",
-      deltaKey: "ui.dev.clients.stats.not_impl",
-      deltaFallback: "Not impl",
-      tone: "stable" as const,
+      value: activeClients.toString(),
+      deltaKey: "ui.dev.clients.stats.realtime",
+      deltaFallback: "Realtime",
+      tone: "up" as const,
     },
     {
       labelKey: "ui.dev.clients.stats.auth_failures",