diff --git a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataFragment.kt b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataFragment.kt
index 04b427441..58f6130ed 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataFragment.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataFragment.kt
@@ -10,12 +10,66 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import kotlinx.android.synthetic.main.fragment_delete_browsing_data.view.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import mozilla.components.browser.session.Session
+import mozilla.components.browser.session.SessionManager
 import org.mozilla.fenix.R
+import org.mozilla.fenix.ext.requireComponents
+import kotlin.coroutines.CoroutineContext
 
+class DeleteBrowsingDataFragment : Fragment(), CoroutineScope {
+    private lateinit var sessionObserver: SessionManager.Observer
 
-class DeleteBrowsingDataFragment : Fragment() {
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_delete_browsing_data, container, false)
+    private lateinit var job: Job
+    override val coroutineContext: CoroutineContext
+        get() = Dispatchers.Main + job
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? =
+        inflater.inflate(R.layout.fragment_delete_browsing_data, container, false)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        job = Job()
+
+        sessionObserver = object : SessionManager.Observer {
+            override fun onSessionAdded(session: Session) {
+                super.onSessionAdded(session)
+                updateTabCount()
+            }
+
+            override fun onSessionRemoved(session: Session) {
+                super.onSessionRemoved(session)
+                updateTabCount()
+            }
+
+            override fun onSessionSelected(session: Session) {
+                super.onSessionSelected(session)
+                updateTabCount()
+            }
+
+            override fun onSessionsRestored() {
+                super.onSessionsRestored()
+                updateTabCount()
+            }
+
+            override fun onAllSessionsRemoved() {
+                super.onAllSessionsRemoved()
+                updateTabCount()
+            }
+        }
+
+        requireComponents.core.sessionManager.register(sessionObserver, owner = this)
+
+        view?.open_tabs_item?.onCheckListener = { _ -> updateDeleteButton() }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        job.cancel()
     }
 
     override fun onResume() {
@@ -24,5 +78,54 @@ class DeleteBrowsingDataFragment : Fragment() {
             title = getString(R.string.preferences_delete_browsing_data)
             supportActionBar?.show()
         }
+
+        updateTabCount()
+        updateHistoryCount()
+        updateCollectionsCount()
+    }
+
+    private fun updateDeleteButton() {
+
+    }
+
+    private fun updateTabCount() {
+        view?.open_tabs_item?.apply {
+            val openTabs = requireComponents.core.sessionManager.size
+            subtitleView.text = resources.getString(R.string.preferences_delete_browsing_data_tabs_subtitle, openTabs)
+        }
+    }
+
+    private fun updateHistoryCount() {
+        view?.browsing_data_item?.subtitleView?.text = ""
+
+        launch(Dispatchers.IO) {
+            val historyCount = requireComponents.core.historyStorage.getVisited().size
+            launch(Dispatchers.Main) {
+                view?.browsing_data_item?.apply {
+                    subtitleView.text =
+                        resources.getString(
+                            R.string.preferences_delete_browsing_data_browsing_data_subtitle,
+                            historyCount
+                        )
+                }
+            }
+        }
+    }
+
+    private fun updateCollectionsCount() {
+        view?.browsing_data_item?.subtitleView?.text = ""
+
+        launch(Dispatchers.IO) {
+            val collectionsCount = requireComponents.core.tabCollectionStorage.getTabCollectionsCount()
+            launch(Dispatchers.Main) {
+                view?.collections_item?.apply {
+                    subtitleView.text =
+                        resources.getString(
+                            R.string.preferences_delete_browsing_data_collections_subtitle,
+                            collectionsCount
+                        )
+                }
+            }
+        }
     }
 }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
index 3ddc2bf07..5774c172d 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
@@ -7,6 +7,7 @@ package org.mozilla.fenix.settings
 import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
+import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
 import kotlinx.android.synthetic.main.delete_browsing_data_item.view.*
 import org.mozilla.fenix.R
@@ -16,6 +17,18 @@ class DeleteBrowsingDataItem @JvmOverloads constructor(
     attrs: AttributeSet? = null,
     defStyleAttr: Int = 0
 ) : ConstraintLayout(context, attrs, defStyleAttr) {
+
+    val titleView: TextView
+        get() = title
+
+    val subtitleView: TextView
+        get() = subtitle
+
+    val isChecked: Boolean
+        get() = checkbox.isChecked
+
+    var onCheckListener: ((Boolean) -> Unit)? = null
+
     init {
         LayoutInflater.from(context).inflate(R.layout.delete_browsing_data_item, this, true)
 
@@ -23,6 +36,10 @@ class DeleteBrowsingDataItem @JvmOverloads constructor(
             checkbox.isChecked = !checkbox.isChecked
         }
 
+        checkbox.setOnCheckedChangeListener { _, isChecked ->
+            onCheckListener?.invoke(isChecked)
+        }
+
         attrs.let {
             context.theme.obtainStyledAttributes(
                 it,
diff --git a/app/src/main/res/layout/fragment_delete_browsing_data.xml b/app/src/main/res/layout/fragment_delete_browsing_data.xml
index 3625492f4..7969281b8 100644
--- a/app/src/main/res/layout/fragment_delete_browsing_data.xml
+++ b/app/src/main/res/layout/fragment_delete_browsing_data.xml
@@ -13,7 +13,7 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
         <org.mozilla.fenix.settings.DeleteBrowsingDataItem
-            android:id="@+id/openTabsItem"
+            android:id="@+id/open_tabs_item"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="?android:attr/selectableItemBackground"
@@ -24,7 +24,7 @@
             app:deleteBrowsingDataItemTitle="@string/preferences_delete_browsing_data_tabs_title"
             app:deleteBrowsingDataItemSubtitle="@string/preferences_delete_browsing_data_tabs_subtitle" />
         <org.mozilla.fenix.settings.DeleteBrowsingDataItem
-            android:id="@+id/browsingDataItem"
+            android:id="@+id/browsing_data_item"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="?android:attr/selectableItemBackground"
@@ -35,7 +35,7 @@
             app:deleteBrowsingDataItemTitle="@string/preferences_delete_browsing_data_browsing_data_title"
             app:deleteBrowsingDataItemSubtitle="@string/preferences_delete_browsing_data_browsing_data_subtitle" />
         <org.mozilla.fenix.settings.DeleteBrowsingDataItem
-            android:id="@+id/collectionsItem"
+            android:id="@+id/collections_item"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="?android:attr/selectableItemBackground"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 01cd7ed84..5c4bdd716 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -568,15 +568,15 @@
     <!-- Title for the tabs item in Delete browsing data -->
     <string name="preferences_delete_browsing_data_tabs_title">Open Tabs</string>
     <!-- Subtitle for the tabs item in Delete browsing data, parameter will be replaced with the number of open tabs -->
-    <string name="preferences_delete_browsing_data_tabs_subtitle">%s tabs</string>
+    <string name="preferences_delete_browsing_data_tabs_subtitle">%d tabs</string>
     <!-- Title for the data and history items in Delete browsing data -->
     <string name="preferences_delete_browsing_data_browsing_data_title">Browsing history and site data</string>
     <!-- Subtitle for the data and history items item in Delete browsing data, parameter will be replaced with the
         number of history items the user has -->
-    <string name="preferences_delete_browsing_data_browsing_data_subtitle">%s addresses</string>
+    <string name="preferences_delete_browsing_data_browsing_data_subtitle">%d addresses</string>
     <!-- Title for the collections item in Delete browsing data -->
     <string name="preferences_delete_browsing_data_collections_title">Collections</string>
     <!-- Subtitle for the collections item in Delete browsing data, parameter will be replaced with the
         number of collections that will be deleted -->
-    <string name="preferences_delete_browsing_data_collections_subtitle">%s collections</string>
+    <string name="preferences_delete_browsing_data_collections_subtitle">%d collections</string>
 </resources>