diff --git a/demo/index.html b/demo/index.html
index ceb3193..6089a28 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -49,7 +49,6 @@ <h1>Video Feed</h1>
           margin-bottom: 24px;
         }
       </style>
-
       <iron-ajax auto
           url="https://www.googleapis.com/youtube/v3/search"
           params='{"part":"snippet", "q":"polymer", "key": "AIzaSyAuecFZ9xJXbGDkQYWBmYrtzOGJD-iDIgI", "type": "video"}'
diff --git a/iron-request.html b/iron-request.html
index ca094be..2487b92 100644
--- a/iron-request.html
+++ b/iron-request.html
@@ -113,6 +113,21 @@
         }
       },
 
+      /**
+       * An object that contains upload progress information emitted by the XHR if
+       * available.
+       *
+       * @default {}
+       */
+      uploadProgress: {
+        type: Object,
+        notify: true,
+        readOnly: true,
+        value: function() {
+          return {};
+        }
+      },
+
       /**
        * Aborted will be true if an abort of the request is attempted.
        */
@@ -208,6 +223,14 @@
         });
       }.bind(this));
 
+      xhr.upload.addEventListener('progress', function(progress) {
+        this._setUploadProgress({
+          lengthComputable: progress.lengthComputable,
+          loaded: progress.loaded,
+          total: progress.total
+        });
+      }.bind(this));
+
       xhr.addEventListener('error', function(error) {
         this._setErrored(true);
         this._updateStatus();