Deleting your Facebook account

Follow the steps below and need patience because it took about five hours.
The steps are:
- Remove all your friends by clicking the "x" then select "delete friend".
- Delete all photos in your album pages. How, go to page images, then select an album and select "delete this album."
- Remove all the comments you send, by going to your profile page and select "x" and select "delete" on each box, and the wall to your comment.
- Remove your membership of the Group, the fans, and supporters in the INFO page. You do this by visiting your group and select "delete".
- Remove all the info about you. Select "info" to edit.
- Remove all existing tags on the photo page
- Send an email to http://www.facebook.com/help/contact.php?show_form=delete_account and choose to delete your account permanently. Enter your password and enter a password that is visible.
- Once confirmed, facebook will tell you that if you do not login for 14 days, your account will be deleted and not recoverable.
- After that facebook will automatically exit.
- Please check 14 days later by logging into your account. If you can not mean you managed to delete facebook.

Source : id.shvoong.com