diff --git a/src/material/radio/radio.html b/src/material/radio/radio.html
index 796d7e8708c0..cdcdbc436cc1 100644
--- a/src/material/radio/radio.html
+++ b/src/material/radio/radio.html
@@ -2,6 +2,13 @@
   <div class="mdc-radio" [class.mdc-radio--disabled]="disabled">
     <!-- Render this element first so the input is on top. -->
     <div class="mat-mdc-radio-touch-target" (click)="_onTouchTargetClick($event)"></div>
+    <!--
+      Note that we set `aria-invalid="false"` on the input, because otherwise some screen readers
+      will read out "required, invalid data" for each radio button that hasn't been checked.
+      An alternate approach is to use `aria-required` instead of `required`, however we have an
+      internal check which enforces that elements marked as `aria-required` also have the `required`
+      attribute which ends up re-introducing the issue for us.
+    -->
     <input #input class="mdc-radio__native-control" type="radio"
            [id]="inputId"
            [checked]="checked"
@@ -9,6 +16,7 @@
            [attr.name]="name"
            [attr.value]="value"
            [required]="required"
+           aria-invalid="false"
            [attr.aria-label]="ariaLabel"
            [attr.aria-labelledby]="ariaLabelledby"
            [attr.aria-describedby]="ariaDescribedby"