Navigate to the top right of your screen and locate User Settings below Profile.

Click on User Settings and scroll down the screen to find the Delete Account option, shown in red Click on Delete Account.

Reddit displays a popup asking you the reason for deactivating your account; answering this is optional.

Enter your username and password.

Tick the checkbox for ‘I understand that deactivated accounts are not recoverable.’ The Deactivate button will become actionable; click on it to proceed further.

You will see another popup asking you to confirm if you want to deactivate the account. Click on Deactivate to complete the deletion.

If your account was created by using your Google account or Apple ID, navigate to the Connected Accounts section and click disconnect next to the Google account or Apple ID that you signed up from.