diff --git a/app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt b/app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt
index b103eb0f6..6cbc8ae69 100644
--- a/app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt
+++ b/app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt
@@ -494,6 +494,7 @@ private val Event.wrapper: EventWrapper<*>?
         is Event.InteractWithSearchURLArea -> null
         is Event.ClearedPrivateData -> null
         is Event.DismissedOnboarding -> null
+        is Event.FennecToFenixMigrated -> null
     }
 
 class GleanMetricsService(private val context: Context) : MetricsService {
diff --git a/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt b/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
index 3c1de96d4..8744325c8 100644
--- a/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
+++ b/app/src/main/java/org/mozilla/fenix/components/metrics/LeanplumMetricsService.kt
@@ -30,6 +30,7 @@ private val Event.name: String?
         is Event.SyncAuthSignOut -> "E_Sign_Out_FxA"
         is Event.ClearedPrivateData -> "E_Cleared_Private_Data"
         is Event.DismissedOnboarding -> "E_Dismissed_Onboarding"
+        is Event.FennecToFenixMigrated -> "E_Fennec_To_Fenix_Migrated"
 
         // Do not track other events in Leanplum
         else -> ""
diff --git a/app/src/main/java/org/mozilla/fenix/components/metrics/Metrics.kt b/app/src/main/java/org/mozilla/fenix/components/metrics/Metrics.kt
index 8a40fbd26..4e0059021 100644
--- a/app/src/main/java/org/mozilla/fenix/components/metrics/Metrics.kt
+++ b/app/src/main/java/org/mozilla/fenix/components/metrics/Metrics.kt
@@ -149,6 +149,7 @@ sealed class Event {
     object RightsTapped : Event()
     object LicensingTapped : Event()
     object LibrariesThatWeUseTapped : Event()
+    object FennecToFenixMigrated : Event()
 
     // Interaction events with extras
 
diff --git a/app/src/main/java/org/mozilla/fenix/migration/MigrationTelemetryListener.kt b/app/src/main/java/org/mozilla/fenix/migration/MigrationTelemetryListener.kt
new file mode 100644
index 000000000..ffd148426
--- /dev/null
+++ b/app/src/main/java/org/mozilla/fenix/migration/MigrationTelemetryListener.kt
@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix
+
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.collect
+import mozilla.components.lib.state.ext.flowScoped
+import mozilla.components.support.base.log.logger.Logger
+import mozilla.components.support.migration.state.MigrationProgress
+import mozilla.components.support.migration.state.MigrationStore
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
+
+class MigrationTelemetryListener(
+    private val metrics: MetricController,
+    private val store: MigrationStore
+) {
+    @UseExperimental(ExperimentalCoroutinesApi::class)
+    fun start() {
+        // Observe for migration completed.
+        store.flowScoped { flow ->
+            flow.collect { state ->
+                Logger("MigrationTelemetryListener").debug("Migration state: ${state.progress}")
+                if (state.progress == MigrationProgress.COMPLETED) {
+                    metrics.track(Event.FennecToFenixMigrated)
+                }
+            }
+        }
+    }
+}
diff --git a/app/src/migration/java/org/mozilla/fenix/MigratingFenixApplication.kt b/app/src/migration/java/org/mozilla/fenix/MigratingFenixApplication.kt
index 5439fddb6..8ff88f9dd 100644
--- a/app/src/migration/java/org/mozilla/fenix/MigratingFenixApplication.kt
+++ b/app/src/migration/java/org/mozilla/fenix/MigratingFenixApplication.kt
@@ -42,6 +42,13 @@ class MigratingFenixApplication : FenixApplication() {
         )
     }
 
+    val migrationTelemetryListener by lazy {
+        MigrationTelemetryListener(
+            components.analytics.metrics,
+            components.migrationStore
+        )
+    }
+
     override fun setupInMainProcessOnly() {
         // These migrations need to run before regular initialization happens.
         migrateBlocking()
@@ -55,6 +62,7 @@ class MigratingFenixApplication : FenixApplication() {
 
         // The rest of the migrations can happen now.
         migrationPushSubscriber.start()
+        migrationTelemetryListener.start()
         migrator.startMigrationIfNeeded(components.migrationStore, MigrationService::class.java)
     }
 
diff --git a/docs/mma.md b/docs/mma.md
index c3729b55c..26f33e1c6 100644
--- a/docs/mma.md
+++ b/docs/mma.md
@@ -226,6 +226,11 @@ Here is the list of current Events sent, which can be found here in the code bas
     <td>The user finished onboarding. Could be triggered by pressing "start browsing," opening settings, or invoking a search.</td>
     <td><a href="https://github.com/mozilla-mobile/fenix/pull/3459#issuecomment-502191109">#3459</a></td>
   </tr>
+  <tr>
+    <td>`E_Fennec_To_Fenix_Migrated`</td>
+    <td>The user has just migrated from Fennec to Fenix.</td>
+    <td><a href="https://github.com/mozilla-mobile/fenix/pull/8208#issuecomment-584040440">#8208</a></td>
+  </tr>
 </table>
 
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