diff --git a/server/lease/lessor.go b/server/lease/lessor.go
index cf2028933..387bafb91 100644
--- a/server/lease/lessor.go
+++ b/server/lease/lessor.go
@@ -313,6 +313,7 @@ func (le *lessor) Grant(id LeaseID, ttl int64) (*Lease, error) {
 
 	leaseTotalTTLs.Observe(float64(l.ttl))
 	leaseGranted.Inc()
+	leaseActive.Inc()
 
 	if le.isPrimary() {
 		item := &LeaseWithTime{id: l.ID, time: l.expiry}
@@ -361,6 +362,7 @@ func (le *lessor) Revoke(id LeaseID) error {
 	txn.End()
 
 	leaseRevoked.Inc()
+	leaseActive.Dec()
 	return nil
 }
 
@@ -822,6 +824,7 @@ func (le *lessor) initAndRecover() {
 	}
 	le.leaseExpiredNotifier.Init()
 	heap.Init(&le.leaseCheckpointHeap)
+	leaseActive.Set(float64(len(le.leaseMap)))
 
 	le.b.ForceCommit()
 }
diff --git a/server/lease/metrics.go b/server/lease/metrics.go
index 06f8b5801..d6e46deb2 100644
--- a/server/lease/metrics.go
+++ b/server/lease/metrics.go
@@ -49,6 +49,13 @@ var (
 			// 1 second -> 3 months
 			Buckets: prometheus.ExponentialBuckets(1, 2, 24),
 		})
+
+	leaseActive = prometheus.NewGauge(prometheus.GaugeOpts{
+		Namespace: "etcd_debugging",
+		Subsystem: "lease",
+		Name:      "active",
+		Help:      "The current number of active leases.",
+	})
 )
 
 func init() {
@@ -56,4 +63,5 @@ func init() {
 	prometheus.MustRegister(leaseRevoked)
 	prometheus.MustRegister(leaseRenewed)
 	prometheus.MustRegister(leaseTotalTTLs)
+	prometheus.MustRegister(leaseActive)
 }