Open Facebook and sign in
Go to Settings & privacy
Select Settings
Tap or click Your Facebook information
Select Deactivation and deletion
Choose Delete account
Click Continue to account deletion
Enter your Facebook password
Click Continue
Review the information on the deletion screen
Select Delete account
Confirm by clicking Delete account again (if prompted)
Wait for the account deletion to complete (deletion remains pending for a period of time before permanent removal)
Do not log in during the deletion pending period
If you have multiple profiles/accounts, repeat the process for each account you want deleted