diff --git a/src/libsysprof-gtk/style.css b/src/libsysprof-gtk/style.css
index 66d42ea6..576f12cf 100644
--- a/src/libsysprof-gtk/style.css
+++ b/src/libsysprof-gtk/style.css
@@ -108,3 +108,13 @@ tracks row track info {
 .utility .view {
   background: transparent;
 }
+
+.navigation-sidebar label.indicator {
+  background: alpha(@accent_bg_color, .5);
+  color: @accent_fg_color;
+  border-radius: 50px;
+  padding: 1px 5px;
+  font-feature-settings: 'tnum';
+  font-size: .8em;
+  border: 1px solid alpha(@accent_bg_color,.6);
+}
diff --git a/src/sysprof/sysprof-logs-section.c b/src/sysprof/sysprof-logs-section.c
index 484d15f1..3428c6f3 100644
--- a/src/sysprof/sysprof-logs-section.c
+++ b/src/sysprof/sysprof-logs-section.c
@@ -24,6 +24,7 @@
 
 #include <sysprof-gtk.h>
 
+#include "sysprof-document-bitset-index-private.h"
 #include "sysprof-frame-utility.h"
 #include "sysprof-logs-section.h"
 
@@ -75,6 +76,13 @@ sysprof_logs_section_activate_layer_item_cb (SysprofLogsSection *self,
     }
 }
 
+static char *
+format_number (gpointer unused,
+               guint    number)
+{
+  return g_strdup_printf ("%'u", number);
+}
+
 static char *
 format_severity (gpointer       unused,
                  GLogLevelFlags severity)
@@ -121,9 +129,11 @@ sysprof_logs_section_class_init (SysprofLogsSectionClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/sysprof-logs-section.ui");
   gtk_widget_class_bind_template_child (widget_class, SysprofLogsSection, column_view);
   gtk_widget_class_bind_template_child (widget_class, SysprofLogsSection, time_column);
+  gtk_widget_class_bind_template_callback (widget_class, format_number);
   gtk_widget_class_bind_template_callback (widget_class, format_severity);
   gtk_widget_class_bind_template_callback (widget_class, sysprof_logs_section_activate_layer_item_cb);
 
+  g_type_ensure (SYSPROF_TYPE_DOCUMENT_BITSET_INDEX);
   g_type_ensure (SYSPROF_TYPE_DOCUMENT_LOG);
   g_type_ensure (SYSPROF_TYPE_FRAME_UTILITY);
   g_type_ensure (SYSPROF_TYPE_TIME_LABEL);
diff --git a/src/sysprof/sysprof-logs-section.ui b/src/sysprof/sysprof-logs-section.ui
index 3329b3c1..aa44b627 100644
--- a/src/sysprof/sysprof-logs-section.ui
+++ b/src/sysprof/sysprof-logs-section.ui
@@ -2,6 +2,17 @@
 <interface>
   <template class="SysprofLogsSection" parent="SysprofSection">
     <property name="title" translatable="yes">Logs</property>
+    <binding name="indicator">
+      <closure type="gchararray" function="format_number">
+        <lookup name="n-items" type="SysprofDocumentBitsetIndex">
+          <lookup name="logs" type="SysprofDocument">
+            <lookup name="document" type="SysprofSession">
+              <lookup name="session">SysprofLogsSection</lookup>
+            </lookup>
+          </lookup>
+        </lookup>
+      </closure>
+    </binding>
     <child>
       <object class="GtkBox">
         <property name="orientation">vertical</property>
diff --git a/src/sysprof/sysprof-marks-section.c b/src/sysprof/sysprof-marks-section.c
index e657b0a3..8aeb89e3 100644
--- a/src/sysprof/sysprof-marks-section.c
+++ b/src/sysprof/sysprof-marks-section.c
@@ -34,6 +34,13 @@ struct _SysprofMarksSection
 
 G_DEFINE_FINAL_TYPE (SysprofMarksSection, sysprof_marks_section, SYSPROF_TYPE_SECTION)
 
+static char *
+format_number (gpointer unused,
+               guint    number)
+{
+  return g_strdup_printf ("%'u", number);
+}
+
 static void
 sysprof_marks_section_dispose (GObject *object)
 {
@@ -55,6 +62,7 @@ sysprof_marks_section_class_init (SysprofMarksSectionClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/sysprof-marks-section.ui");
   gtk_widget_class_bind_template_child (widget_class, SysprofMarksSection, mark_chart);
   gtk_widget_class_bind_template_child (widget_class, SysprofMarksSection, mark_table);
+  gtk_widget_class_bind_template_callback (widget_class, format_number);
 
   g_type_ensure (SYSPROF_TYPE_CHART);
   g_type_ensure (SYSPROF_TYPE_DOCUMENT_MARK);
diff --git a/src/sysprof/sysprof-marks-section.ui b/src/sysprof/sysprof-marks-section.ui
index e870b548..93ed02b2 100644
--- a/src/sysprof/sysprof-marks-section.ui
+++ b/src/sysprof/sysprof-marks-section.ui
@@ -2,6 +2,17 @@
 <interface>
   <template class="SysprofMarksSection" parent="SysprofSection">
     <property name="title" translatable="yes">Marks</property>
+    <binding name="indicator">
+      <closure type="gchararray" function="format_number">
+        <lookup name="n-items" type="SysprofDocumentBitsetIndex">
+          <lookup name="marks" type="SysprofDocument">
+            <lookup name="document" type="SysprofSession">
+              <lookup name="session">SysprofMarksSection</lookup>
+            </lookup>
+          </lookup>
+        </lookup>
+      </closure>
+    </binding>
     <child>
       <object class="GtkBox">
         <property name="orientation">vertical</property>
diff --git a/src/sysprof/sysprof-processes-section.c b/src/sysprof/sysprof-processes-section.c
index 75dbf557..ebc6cccb 100644
--- a/src/sysprof/sysprof-processes-section.c
+++ b/src/sysprof/sysprof-processes-section.c
@@ -38,6 +38,13 @@ struct _SysprofProcessesSection
 
 G_DEFINE_FINAL_TYPE (SysprofProcessesSection, sysprof_processes_section, SYSPROF_TYPE_SECTION)
 
+static char *
+format_number (gpointer unused,
+               guint    number)
+{
+  return g_strdup_printf ("%'u", number);
+}
+
 static void
 activate_layer_item_cb (GtkListItem            *list_item,
                         SysprofChartLayer      *layer,
@@ -84,6 +91,7 @@ sysprof_processes_section_class_init (SysprofProcessesSectionClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/sysprof-processes-section.ui");
   gtk_widget_class_bind_template_child (widget_class, SysprofProcessesSection, list_view);
   gtk_widget_class_bind_template_callback (widget_class, activate_layer_item_cb);
+  gtk_widget_class_bind_template_callback (widget_class, format_number);
 
   g_type_ensure (SYSPROF_TYPE_CHART);
   g_type_ensure (SYSPROF_TYPE_CHART_LAYER);
diff --git a/src/sysprof/sysprof-processes-section.ui b/src/sysprof/sysprof-processes-section.ui
index 420c72bf..3ec64db7 100644
--- a/src/sysprof/sysprof-processes-section.ui
+++ b/src/sysprof/sysprof-processes-section.ui
@@ -2,6 +2,17 @@
 <interface>
   <template class="SysprofProcessesSection" parent="SysprofSection">
     <property name="title" translatable="yes">Processes</property>
+    <binding name="indicator">
+      <closure type="gchararray" function="format_number">
+        <lookup name="n-items" type="SysprofDocumentBitsetIndex">
+          <lookup name="processes" type="SysprofDocument">
+            <lookup name="document" type="SysprofSession">
+              <lookup name="session">SysprofProcessesSection</lookup>
+            </lookup>
+          </lookup>
+        </lookup>
+      </closure>
+    </binding>
     <child>
       <object class="GtkBox">
         <property name="orientation">vertical</property>
diff --git a/src/sysprof/sysprof-section.c b/src/sysprof/sysprof-section.c
index 833c41c2..0237262b 100644
--- a/src/sysprof/sysprof-section.c
+++ b/src/sysprof/sysprof-section.c
@@ -27,6 +27,7 @@ typedef struct
 {
   char           *category;
   char           *icon_name;
+  char           *indicator;
   char           *title;
   SysprofSession *session;
   GtkWidget      *utility;
@@ -39,6 +40,7 @@ enum {
   PROP_SESSION,
   PROP_CATEGORY,
   PROP_ICON_NAME,
+  PROP_INDICATOR,
   PROP_TITLE,
   PROP_UTILITY,
   N_PROPS
@@ -61,6 +63,7 @@ sysprof_section_dispose (GObject *object)
   g_clear_pointer (&priv->title, g_free);
   g_clear_pointer (&priv->category, g_free);
   g_clear_pointer (&priv->icon_name, g_free);
+  g_clear_pointer (&priv->indicator, g_free);
 
   G_OBJECT_CLASS (sysprof_section_parent_class)->dispose (object);
 }
@@ -83,6 +86,10 @@ sysprof_section_get_property (GObject    *object,
       g_value_set_string (value, sysprof_section_get_category (self));
       break;
 
+    case PROP_INDICATOR:
+      g_value_set_string (value, sysprof_section_get_indicator (self));
+      break;
+
     case PROP_ICON_NAME:
       g_value_set_string (value, sysprof_section_get_icon_name (self));
       break;
@@ -122,6 +129,10 @@ sysprof_section_set_property (GObject      *object,
       sysprof_section_set_icon_name (self, g_value_get_string (value));
       break;
 
+    case PROP_INDICATOR:
+      sysprof_section_set_indicator (self, g_value_get_string (value));
+      break;
+
     case PROP_TITLE:
       sysprof_section_set_title (self, g_value_get_string (value));
       break;
@@ -165,6 +176,11 @@ sysprof_section_class_init (SysprofSectionClass *klass)
                          NULL,
                          (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
 
+  properties[PROP_INDICATOR] =
+    g_param_spec_string ("indicator", NULL, NULL,
+                         NULL,
+                         (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
+
   properties[PROP_UTILITY] =
     g_param_spec_object ("utility", NULL, NULL,
                          GTK_TYPE_WIDGET,
@@ -269,6 +285,28 @@ sysprof_section_set_icon_name (SysprofSection *self,
     g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ICON_NAME]);
 }
 
+const char *
+sysprof_section_get_indicator (SysprofSection *self)
+{
+  SysprofSectionPrivate *priv = sysprof_section_get_instance_private (self);
+
+  g_return_val_if_fail (SYSPROF_IS_SECTION (self), NULL);
+
+  return priv->indicator;
+}
+
+void
+sysprof_section_set_indicator (SysprofSection *self,
+                               const char     *indicator)
+{
+  SysprofSectionPrivate *priv = sysprof_section_get_instance_private (self);
+
+  g_return_if_fail (SYSPROF_IS_SECTION (self));
+
+  if (g_set_str (&priv->indicator, indicator))
+    g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_INDICATOR]);
+}
+
 GtkWidget *
 sysprof_section_get_utility (SysprofSection *self)
 {
diff --git a/src/sysprof/sysprof-section.h b/src/sysprof/sysprof-section.h
index 4140cebb..c3a71228 100644
--- a/src/sysprof/sysprof-section.h
+++ b/src/sysprof/sysprof-section.h
@@ -44,6 +44,9 @@ void            sysprof_section_set_category  (SysprofSection *self,
 const char     *sysprof_section_get_icon_name (SysprofSection *self);
 void            sysprof_section_set_icon_name (SysprofSection *self,
                                                const char     *icon_name);
+const char     *sysprof_section_get_indicator (SysprofSection *self);
+void            sysprof_section_set_indicator (SysprofSection *self,
+                                               const char     *indicator);
 const char     *sysprof_section_get_title     (SysprofSection *self);
 void            sysprof_section_set_title     (SysprofSection *self,
                                                const char     *title);
diff --git a/src/sysprof/sysprof-sidebar.c b/src/sysprof/sysprof-sidebar.c
index 3b79fe53..8e64ca5e 100644
--- a/src/sysprof/sysprof-sidebar.c
+++ b/src/sysprof/sysprof-sidebar.c
@@ -40,6 +40,16 @@ G_DEFINE_FINAL_TYPE (SysprofSidebar, sysprof_sidebar, GTK_TYPE_WIDGET)
 
 static GParamSpec *properties [N_PROPS];
 
+static gboolean
+string_to_boolean (GBinding     *binding,
+                   const GValue *from_value,
+                   GValue       *to_value,
+                   gpointer      user_data)
+{
+  g_value_set_boolean (to_value, !!g_value_get_string (from_value));
+  return TRUE;
+}
+
 static GtkWidget *
 sysprof_sidebar_create_row (gpointer item,
                             gpointer user_data)
@@ -48,6 +58,7 @@ sysprof_sidebar_create_row (gpointer item,
   SysprofSidebar *sidebar = user_data;
   SysprofSection *section;
   GtkListBoxRow *row;
+  GtkLabel *indicator;
   GtkImage *image;
   GtkLabel *label;
   GtkBox *box;
@@ -64,12 +75,26 @@ sysprof_sidebar_create_row (gpointer item,
   label = g_object_new (GTK_TYPE_LABEL,
                         "xalign", .0f,
                         "label", sysprof_section_get_title (section),
+                        "hexpand", TRUE,
                         NULL);
   image = g_object_new (GTK_TYPE_IMAGE,
                         "icon-name", sysprof_section_get_icon_name (section),
                         NULL);
+  indicator = g_object_new (GTK_TYPE_LABEL,
+                            "css-classes", (const char * const[]) {"indicator", NULL},
+                            "valign", GTK_ALIGN_CENTER,
+                            NULL);
   gtk_box_append (box, GTK_WIDGET (image));
   gtk_box_append (box, GTK_WIDGET (label));
+  gtk_box_append (box, GTK_WIDGET (indicator));
+
+  g_object_bind_property (section, "indicator",
+                          indicator, "label",
+                          G_BINDING_SYNC_CREATE);
+  g_object_bind_property_full (section, "indicator",
+                               indicator, "visible",
+                               G_BINDING_SYNC_CREATE,
+                               string_to_boolean, NULL, NULL, NULL);
 
   row = g_object_new (GTK_TYPE_LIST_BOX_ROW,
                       "child", box,