diff --git a/src/material/tabs/tab-group.html b/src/material/tabs/tab-group.html
index 27648e3ae6d8..1d43663f984f 100644
--- a/src/material/tabs/tab-group.html
+++ b/src/material/tabs/tab-group.html
@@ -58,6 +58,7 @@
                [id]="_getTabContentId(i)"
                [attr.tabindex]="(contentTabIndex != null && selectedIndex === i) ? contentTabIndex : null"
                [attr.aria-labelledby]="_getTabLabelId(i)"
+               [attr.aria-hidden]="selectedIndex !== i"
                [class.mat-mdc-tab-body-active]="selectedIndex === i"
                [ngClass]="tab.bodyClass"
                [content]="tab.content!"
diff --git a/src/material/tabs/tab-group.spec.ts b/src/material/tabs/tab-group.spec.ts
index 0b092d81f4b7..31b468ec456a 100644
--- a/src/material/tabs/tab-group.spec.ts
+++ b/src/material/tabs/tab-group.spec.ts
@@ -441,6 +441,25 @@ describe('MDC-based MatTabGroup', () => {
     });
   });
 
+  describe('aria labelling of tab panels', () => {
+    let fixture: ComponentFixture<BindedTabsTestApp>;
+    let tabPanels: HTMLElement[];
+
+    beforeEach(fakeAsync(() => {
+      fixture = TestBed.createComponent(BindedTabsTestApp);
+      fixture.detectChanges();
+      tick();
+      tabPanels = Array.from(fixture.nativeElement.querySelectorAll('.mat-mdc-tab-body'));
+    }));
+
+    it('should set `aria-hidden="true"` on inactive tab panels', () => {
+      fixture.detectChanges();
+
+      expect(tabPanels[0].getAttribute('aria-hidden')).not.toBe('true');
+      expect(tabPanels[1].getAttribute('aria-hidden')).toBe('true');
+    });
+  });
+
   describe('disable tabs', () => {
     let fixture: ComponentFixture<DisabledTabsTestApp>;