diff --git a/ghost/admin/app/components/gh-members-import-table.hbs b/ghost/admin/app/components/gh-members-import-table.hbs
index 3161f89529..3b4156f899 100644
--- a/ghost/admin/app/components/gh-members-import-table.hbs
+++ b/ghost/admin/app/components/gh-members-import-table.hbs
@@ -4,7 +4,7 @@
             <th class="table-cell-field"><span class="f-small midgrey ttu fw5">Field</span></th>
             <th class="table-cell-data">
                 <div class="flex items-center justify-between">
-                    <span class="f-small midgrey ttu fw5 nudge-top--1">Data <span class="midlightgrey fw4">({{this.currentRecord}} of {{this.allRecords}})</span></span>
+                    <span class="f-small midgrey ttu fw5 nudge-top--1">Data <span class="midlightgrey fw4">({{format-number this.currentRecord}} of {{format-number this.allRecords}})</span></span>
                     <div class="flex items-center bg-white br2 ml1 nr1 gh-members-import-datanav">
                         <a href="#" {{action "prev"}} class="pa1 flex items-center justify-center br b--whitegrey {{unless this.hasPrevRecord "o-30"}}" data-test-import-prev>{{svg-jar "arrow-left" class="w3 h3 fill-middarkgrey" }}</a>
                         <a href="#" {{action "next"}} class="pa1 flex items-center justify-center {{unless this.hasNextRecord "o-30"}}" data-test-import-next>{{svg-jar "arrow-right" class="w3 h3 fill-middarkgrey" }}</a>
diff --git a/ghost/admin/app/components/modal-import-members.hbs b/ghost/admin/app/components/modal-import-members.hbs
index 4a723041ce..2496e8f2b9 100644
--- a/ghost/admin/app/components/modal-import-members.hbs
+++ b/ghost/admin/app/components/modal-import-members.hbs
@@ -18,11 +18,11 @@
         <div class="ba b--whitegrey br3 middarkgrey bg-whitegrey-l2">
             <div class="flex items-start">
                 <div class="w-50 gh-member-import-result-summary">
-                    <h2>{{this.importResponse.imported.count}}</h2>
+                    <h2>{{format-number this.importResponse.imported.count}}</h2>
                     <p>{{pluralize this.importResponse.imported.count "Member" without-count=true}} added</p>
                 </div>
                 <div class="bl b--whitegrey w-50 gh-member-import-result-summary">
-                    <h2>{{this.importResponse.invalid.count}}</h2>
+                    <h2>{{format-number this.importResponse.invalid.count}}</h2>
                     <p>{{pluralize this.importResponse.invalid.count "Error" without-count=true}}</p>
                 </div>
             </div>
@@ -33,11 +33,11 @@
                 <div class="flex items-start">
                     {{svg-jar "warning" class="w5 h5 fill-red nudge-top--3 mr3"}}
                     <div class="flex-grow w-100">
-                        <p class="ma0 pa0">{{pluralize this.importResponse.invalid.count "member"}} were skipped due to the following errors:</p>
+                        <p class="ma0 pa0">{{format-number this.importResponse.invalid.count}} {{pluralize this.importResponse.invalid.count "member" without-count=true}} were skipped due to the following errors:</p>
                         {{#if this.config.enableDeveloperExperiments}}
                             <ul class="ma0 pa0 mt4 list bt b--whitegrey">
                             {{#each this.importResponse.invalid.errors as |error|}}
-                                <li class="gh-members-import-errormessage">{{error.message}} <span class="fw6">({{error.count}})</span></li>
+                                <li class="gh-members-import-errormessage">{{error.message}} <span class="fw6">({{format-number error.count}})</span></li>
                             {{/each}}
                             </ul>
                         {{/if}}
@@ -153,7 +153,7 @@
                 <span>Start over</span>
             </button>
             <button class="gh-btn gh-btn-green" {{action "upload"}} disabled={{this.importDisabled}}>
-                <span>Import{{#if this.fileData.length}} {{pluralize this.fileData.length 'member'}}{{/if}}</span>
+                <span>Import{{#if this.fileData.length}} {{format-number this.fileData.length}} {{pluralize this.fileData.length 'member' without-count=true}}{{/if}}</span>
             </button>
         {{/if}}
     {{else}}
diff --git a/ghost/admin/app/services/member-import-validator.js b/ghost/admin/app/services/member-import-validator.js
index bcad291389..58be701757 100644
--- a/ghost/admin/app/services/member-import-validator.js
+++ b/ghost/admin/app/services/member-import-validator.js
@@ -1,8 +1,8 @@
 import MemberImportError from 'ghost-admin/errors/member-import-error';
 import Service, {inject as service} from '@ember/service';
 import validator from 'validator';
+import {formatNumber} from 'ghost-admin/helpers/format-number';
 import {isEmpty} from '@ember/utils';
-import {pluralize} from 'ember-inflector';
 
 export default Service.extend({
     ajax: service(),
@@ -32,8 +32,8 @@ export default Service.extend({
 
             if (!this.membersUtils.isStripeEnabled) {
                 validationErrors.push(new MemberImportError({
-                    message: 'Missing stripe connection',
-                    context: (pluralize(totalCount, 'Stripe customer')) + ` won't be imported. You need to <a href="#/settings/labs">connect to Stripe</a> to import stripe customers.`,
+                    message: `Missing stripe connection (${formatNumber(totalCount)})`,
+                    context: `Stripe customers won't be imported. You need to <a href="#/settings/labs">connect to Stripe</a> to import stripe customers.`,
                     type: 'warning'
                 }));
             } else {
@@ -49,7 +49,7 @@ export default Service.extend({
 
             if (duplicateCount) {
                 validationErrors.push(new MemberImportError({
-                    message: `Duplicate Stripe ID (${duplicateCount})`,
+                    message: `Duplicate Stripe ID (${formatNumber(duplicateCount)})`,
                     type: 'warning'
                 }));
             }
@@ -65,14 +65,14 @@ export default Service.extend({
             if (invalidCount) {
                 // @TODO: Remove error from displayed errors
                 validationErrors.push(new MemberImportError({
-                    message: `Invalid email address (${invalidCount})`,
+                    message: `Invalid email address (${formatNumber(invalidCount)})`,
                     type: 'warning'
                 }));
             }
 
             if (emptyCount) {
                 validationErrors.push(new MemberImportError({
-                    message: `Missing email address (${emptyCount})`,
+                    message: `Missing email address (${formatNumber(emptyCount)})`,
                     type: 'warning'
                 }));
             }
@@ -80,7 +80,7 @@ export default Service.extend({
             if (duplicateCount) {
                 // @TODO: Remove error from displayed errors
                 validationErrors.push(new MemberImportError({
-                    message: `Duplicate email address (${duplicateCount})`,
+                    message: `Duplicate email address (${formatNumber(duplicateCount)})`,
                     type: 'warning'
                 }));
             }