diff --git a/app/assets/javascripts/sidebar/components/reviewers/sidebar_reviewers.vue b/app/assets/javascripts/sidebar/components/reviewers/sidebar_reviewers.vue
index aeeb2654836b05c9c7ae0f597ccc612ae9f78d1d..3bfd5ca6f218078013e04a3a497e149ad3c13c34 100644
--- a/app/assets/javascripts/sidebar/components/reviewers/sidebar_reviewers.vue
+++ b/app/assets/javascripts/sidebar/components/reviewers/sidebar_reviewers.vue
@@ -158,6 +158,7 @@ export default {
       this.$el.parentElement.dispatchEvent(new Event('assignYourself'));
 
       this.mediator.addSelfReview();
+      this.trackEvent('assign_self_as_reviewer_in_mr');
       this.saveReviewers();
     },
     saveReviewers() {
diff --git a/config/events/assign_self_as_reviewer_in_mr.yml b/config/events/assign_self_as_reviewer_in_mr.yml
new file mode 100644
index 0000000000000000000000000000000000000000..acb52cd97964fc603fd436718fa605b9c162e383
--- /dev/null
+++ b/config/events/assign_self_as_reviewer_in_mr.yml
@@ -0,0 +1,17 @@
+---
+description: Number of times the "assign self" button is pressed in a Merge Request
+internal_events: true
+action: assign_self_as_reviewer_in_mr
+identifiers:
+- project
+- namespace
+- user
+product_group: code_review
+product_categories:
+- code_review_workflow
+milestone: '17.11'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183774
+tiers:
+- free
+- premium
+- ultimate
diff --git a/config/metrics/counts_all/count_total_assign_self_as_reviewer_in_mr.yml b/config/metrics/counts_all/count_total_assign_self_as_reviewer_in_mr.yml
new file mode 100644
index 0000000000000000000000000000000000000000..a71738eb0bc0b50b689f6bfda29b998467a7bf2e
--- /dev/null
+++ b/config/metrics/counts_all/count_total_assign_self_as_reviewer_in_mr.yml
@@ -0,0 +1,23 @@
+---
+key_path: counts.count_total_assign_self_as_reviewer_in_mr
+description: Count of times that the 'assign self' button in the reviewers section is pressed in an MR
+product_group: code_review
+product_categories:
+- code_review_workflow
+performance_indicator_type: []
+value_type: number
+status: active
+milestone: '17.11'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183774
+time_frame:
+- 28d
+- 7d
+- all
+data_source: internal_events
+data_category: optional
+tiers:
+- free
+- premium
+- ultimate
+events:
+- name: assign_self_as_reviewer_in_mr
diff --git a/spec/frontend/sidebar/components/reviewers/sidebar_reviewers_spec.js b/spec/frontend/sidebar/components/reviewers/sidebar_reviewers_spec.js
index c541f0357bcc69193790c5092924472f903cacf2..497a3f78eeccc221c96992827d2bb4baf3dfb89b 100644
--- a/spec/frontend/sidebar/components/reviewers/sidebar_reviewers_spec.js
+++ b/spec/frontend/sidebar/components/reviewers/sidebar_reviewers_spec.js
@@ -3,7 +3,9 @@ import axios from 'axios';
 import AxiosMockAdapter from 'axios-mock-adapter';
 import VueApollo from 'vue-apollo';
 import createMockApollo from 'helpers/mock_apollo_helper';
+import { useMockInternalEventsTracking } from 'helpers/tracking_internal_events_helper';
 import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import Reviewers from '~/sidebar/components/reviewers/reviewers.vue';
 import SidebarReviewers from '~/sidebar/components/reviewers/sidebar_reviewers.vue';
 import SidebarService from '~/sidebar/services/sidebar_service';
 import SidebarMediator from '~/sidebar/sidebar_mediator';
@@ -13,6 +15,7 @@ import Mock from '../../mock_data';
 
 jest.mock('~/super_sidebar/user_counts_fetch');
 
+const { bindInternalEventDocument } = useMockInternalEventsTracking();
 Vue.use(VueApollo);
 
 describe('sidebar reviewers', () => {
@@ -20,10 +23,12 @@ describe('sidebar reviewers', () => {
   let wrapper;
   let mediator;
   let axiosMock;
+  let trackEventSpy;
 
   const findAssignButton = () => wrapper.findByTestId('sidebar-reviewers-assign-button');
+  const findReviewers = () => wrapper.findComponent(Reviewers);
 
-  const createComponent = (props) => {
+  const createComponent = ({ props, stubs, data } = {}) => {
     wrapper = shallowMountExtended(SidebarReviewers, {
       apolloProvider: apolloMock,
       propsData: {
@@ -35,6 +40,11 @@ describe('sidebar reviewers', () => {
         changing: false,
         ...props,
       },
+      data() {
+        return {
+          ...data,
+        };
+      },
       provide: {
         projectPath: 'projectPath',
         issuableId: 1,
@@ -43,10 +53,13 @@ describe('sidebar reviewers', () => {
       },
       stubs: {
         ApprovalSummary: true,
+        ...stubs,
       },
       // Attaching to document is required because this component emits something from the parent element :/
       attachTo: document.body,
     });
+
+    ({ trackEventSpy } = bindInternalEventDocument(wrapper.element));
   };
 
   beforeEach(() => {
@@ -69,29 +82,9 @@ describe('sidebar reviewers', () => {
     ${'shows'}         | ${true}   | ${true}
     ${'does not show'} | ${false}  | ${false}
   `('$copy Assign button when canUpdate is $canUpdate', ({ canUpdate, expected }) => {
-    wrapper = shallowMountExtended(SidebarReviewers, {
-      apolloProvider: apolloMock,
-      propsData: {
-        issuableIid: '1',
-        issuableId: 1,
-        mediator,
-        field: '',
-        projectPath: 'projectPath',
-        changing: false,
-      },
-      data() {
-        return {
-          issuable: { userPermissions: { adminMergeRequest: canUpdate } },
-        };
-      },
-      provide: {
-        projectPath: 'projectPath',
-        issuableId: 1,
-        issuableIid: 1,
-        multipleApprovalRulesAvailable: false,
-      },
-      stubs: {
-        ApprovalSummary: true,
+    createComponent({
+      data: {
+        issuable: { userPermissions: { adminMergeRequest: canUpdate } },
       },
     });
 
@@ -119,15 +112,36 @@ describe('sidebar reviewers', () => {
     expect(fetchUserCounts).toHaveBeenCalled();
   });
 
-  it('calls the mediator when "reviewBySelf" method is called', () => {
-    createComponent();
+  describe('assign yourself', () => {
+    it('tracks how many times the Reviewers component indicates the user is assigning themself', async () => {
+      createComponent({
+        data: {
+          issuable: { userPermissions: { adminMergeRequest: true } },
+        },
+        stubs: {
+          Reviewers,
+        },
+      });
+
+      // Wait for Apollo to finish so the sidebar is enabled
+      await nextTick();
+
+      const reviewers = findReviewers();
+      reviewers.vm.assignSelf();
 
-    expect(mediator.addSelfReview).not.toHaveBeenCalled();
-    expect(mediator.store.reviewers.length).toBe(0);
+      expect(trackEventSpy).toHaveBeenCalledWith('assign_self_as_reviewer_in_mr', {}, undefined);
+    });
+
+    it('calls the mediator when "reviewBySelf" method is called', () => {
+      createComponent();
 
-    wrapper.vm.reviewBySelf();
+      expect(mediator.addSelfReview).not.toHaveBeenCalled();
+      expect(mediator.store.reviewers.length).toBe(0);
 
-    expect(mediator.addSelfReview).toHaveBeenCalled();
-    expect(mediator.store.reviewers.length).toBe(1);
+      wrapper.vm.reviewBySelf();
+
+      expect(mediator.addSelfReview).toHaveBeenCalled();
+      expect(mediator.store.reviewers.length).toBe(1);
+    });
   });
 });