diff --git a/apps/api/src/app/user/user.controller.ts b/apps/api/src/app/user/user.controller.ts
index 2b679f34c..4be0c33a3 100644
--- a/apps/api/src/app/user/user.controller.ts
+++ b/apps/api/src/app/user/user.controller.ts
@@ -69,13 +69,14 @@ export class UserController {
   public async deleteOwnUser(
     @Body() data: DeleteOwnUserDto
   ): Promise<UserModel> {
-    const user = await this.validateAccessToken(
-      data.accessToken,
-      this.request.user.id
-    );
+    if (this.request.user.provider === 'ANONYMOUS') {
+      await this.validateAccessToken(data.accessToken, this.request.user.id);
+    } else {
+      await this.validateUserHasNoData(this.request.user.id);
+    }
 
     return this.userService.deleteUser({
-      id: user.id
+      id: this.request.user.id
     });
   }
 
@@ -253,4 +254,18 @@ export class UserController {
 
     return user;
   }
+
+  private async validateUserHasNoData(userId: string) {
+    const [accountsCount, activitiesCount] = await Promise.all([
+      this.prismaService.account.count({ where: { userId } }),
+      this.prismaService.order.count({ where: { userId } })
+    ]);
+
+    if (accountsCount > 0 || activitiesCount > 0) {
+      throw new HttpException(
+        getReasonPhrase(StatusCodes.FORBIDDEN),
+        StatusCodes.FORBIDDEN
+      );
+    }
+  }
 }
diff --git a/apps/api/src/app/user/user.service.ts b/apps/api/src/app/user/user.service.ts
index 8fb11ad34..228e57a72 100644
--- a/apps/api/src/app/user/user.service.ts
+++ b/apps/api/src/app/user/user.service.ts
@@ -118,7 +118,7 @@ export class UserService {
     locale?: string;
     user: UserWithSettings;
   }): Promise<IUser> {
-    const { id, permissions, settings, subscription } = user;
+    const { id, permissions, provider, settings, subscription } = user;
 
     const [
       access,
@@ -202,6 +202,7 @@ export class UserService {
       activitiesCount,
       id,
       permissions,
+      provider,
       referralPartners,
       subscription,
       systemMessage,
@@ -503,8 +504,11 @@ export class UserService {
 
     let currentPermissions = getPermissions(user.role);
 
-    if (user.provider === 'ANONYMOUS') {
+    if (!hasRole(user, Role.DEMO)) {
       currentPermissions.push(permissions.deleteOwnUser);
+    }
+
+    if (user.provider === 'ANONYMOUS') {
       currentPermissions.push(permissions.updateOwnAccessToken);
     }
 
diff --git a/apps/client/src/app/components/user-account-settings/user-account-settings.component.ts b/apps/client/src/app/components/user-account-settings/user-account-settings.component.ts
index b48adf59d..b984f3ec0 100644
--- a/apps/client/src/app/components/user-account-settings/user-account-settings.component.ts
+++ b/apps/client/src/app/components/user-account-settings/user-account-settings.component.ts
@@ -86,6 +86,7 @@ export class GfUserAccountSettingsComponent implements OnInit {
   protected hasPermissionToUpdateViewMode: boolean;
   protected hasPermissionToUpdateUserSettings: boolean;
   protected isAccessTokenHidden = true;
+  protected isAnonymousAuthenticationProvider: boolean;
   protected readonly isFingerprintSupported = this.doesBrowserSupportAuthn();
   protected isLoading = true;
   protected isWebAuthnEnabled: boolean;
@@ -108,6 +109,7 @@ export class GfUserAccountSettingsComponent implements OnInit {
     'uk',
     'zh'
   ];
+  protected mustRemoveDataBeforeClosingAccount: boolean;
   protected user: User;
 
   private readonly changeDetectorRef = inject(ChangeDetectorRef);
@@ -163,6 +165,14 @@ export class GfUserAccountSettingsComponent implements OnInit {
             permissions.requestOwnUserDeletion
           );
 
+          this.isAnonymousAuthenticationProvider =
+            this.user.provider === 'ANONYMOUS';
+
+          this.mustRemoveDataBeforeClosingAccount =
+            (!this.isAnonymousAuthenticationProvider ||
+              this.hasPermissionToRequestOwnUserDeletion) &&
+            (this.user.accounts?.length > 0 || this.user.activitiesCount > 0);
+
           this.hasPermissionToUpdateUserSettings = hasPermission(
             this.user.permissions,
             permissions.updateUserSettings
@@ -225,12 +235,16 @@ export class GfUserAccountSettingsComponent implements OnInit {
       confirmFn: () => {
         this.dataService
           .deleteOwnUser({
-            accessToken: this.deleteOwnUserForm.controls.accessToken.value
+            accessToken: this.isAnonymousAuthenticationProvider
+              ? this.deleteOwnUserForm.controls.accessToken.value
+              : undefined
           })
           .pipe(
             catchError(() => {
               this.notificationService.alert({
-                title: $localize`Oops! Incorrect Security Token.`
+                title: this.isAnonymousAuthenticationProvider
+                  ? $localize`Oops! Incorrect Security Token.`
+                  : $localize`Oops! Your account could not be closed.`
               });
 
               return EMPTY;
diff --git a/apps/client/src/app/components/user-account-settings/user-account-settings.html b/apps/client/src/app/components/user-account-settings/user-account-settings.html
index 57d3b54d7..15e11a64e 100644
--- a/apps/client/src/app/components/user-account-settings/user-account-settings.html
+++ b/apps/client/src/app/components/user-account-settings/user-account-settings.html
@@ -293,7 +293,26 @@
         <div class="d-flex py-1">
           <div class="pr-1 text-danger w-50" i18n>Danger Zone</div>
           <div class="pl-1 w-50">
-            @if (hasPermissionToDeleteOwnUser) {
+            @if (mustRemoveDataBeforeClosingAccount) {
+              <button color="warn" i18n mat-flat-button [disabled]="true">
+                Close Account
+              </button>
+              <div class="hint-text mt-2 text-muted" i18n>
+                For security reasons, please delete all activities and accounts
+                first before your Ghostfolio account can be closed.
+              </div>
+            } @else if (
+              hasPermissionToDeleteOwnUser && !isAnonymousAuthenticationProvider
+            ) {
+              <button
+                color="warn"
+                i18n
+                mat-flat-button
+                (click)="onCloseAccount()"
+              >
+                Close Account
+              </button>
+            } @else if (hasPermissionToDeleteOwnUser) {
               <form
                 class="w-100"
                 [formGroup]="deleteOwnUserForm"
@@ -338,17 +357,6 @@
                   Close Account
                 </button>
               </form>
-            } @else if (
-              hasPermissionToRequestOwnUserDeletion &&
-              (user?.accounts?.length > 0 || user?.activitiesCount > 0)
-            ) {
-              <button color="warn" i18n mat-flat-button [disabled]="true">
-                Close Account
-              </button>
-              <div class="hint-text mt-2 text-muted" i18n>
-                For security reasons, please delete all activities and accounts
-                first before your Ghostfolio account can be closed.
-              </div>
             } @else if (hasPermissionToRequestOwnUserDeletion) {
               <a
                 color="warn"
diff --git a/libs/common/src/lib/dtos/delete-own-user.dto.ts b/libs/common/src/lib/dtos/delete-own-user.dto.ts
index 1e3f940cb..bf1868c6e 100644
--- a/libs/common/src/lib/dtos/delete-own-user.dto.ts
+++ b/libs/common/src/lib/dtos/delete-own-user.dto.ts
@@ -1,6 +1,7 @@
-import { IsString } from 'class-validator';
+import { IsOptional, IsString } from 'class-validator';
 
 export class DeleteOwnUserDto {
+  @IsOptional()
   @IsString()
-  accessToken: string;
+  accessToken?: string;
 }
diff --git a/libs/common/src/lib/interfaces/user.interface.ts b/libs/common/src/lib/interfaces/user.interface.ts
index 619d4ee71..2ba2a7b38 100644
--- a/libs/common/src/lib/interfaces/user.interface.ts
+++ b/libs/common/src/lib/interfaces/user.interface.ts
@@ -1,7 +1,7 @@
 import { SubscriptionType } from '@ghostfolio/common/enums';
 import { AccountWithPlatform } from '@ghostfolio/common/types';
 
-import { Access, Tag } from '@prisma/client';
+import { Access, Provider, Tag } from '@prisma/client';
 
 import { ReferralPartner } from './referral-partner.interface';
 import { SubscriptionOffer } from './subscription-offer.interface';
@@ -16,6 +16,7 @@ export interface User {
   dateOfFirstActivity: Date;
   id: string;
   permissions: string[];
+  provider: Provider;
   referralPartners?: ReferralPartner[];
   settings: UserSettings;
   systemMessage?: SystemMessage;