You can delete your account from within WhatsApp. Deleting your account is an irreversible process, which we can't revert even if you perform it by accident.

To delete your account:

1. Press Options > Settings > Account > Delete my account.
2. Select your country code and enter your phone number.
3. Press Delete > DELETE.

Deleting your account will:

• Delete your account from WhatsApp.
• Delete your chat history on your phone.
• Delete you from all your WhatsApp groups.

If you delete your account:

• You can't regain access to your account.
• It may take up to 90 days from the beginning of the deletion process to delete your WhatsApp information. Copies of your information may also remain after the 90 days in the backup storage that we use to recover in the event of a disaster, software error, or other data loss event. Your information isn't available to you on WhatsApp during this time.
• It doesn't affect the information other users have relating to you, such as their copy of the messages you sent them.
• Copies of some materials such as log records may remain in our database but are disassociated from personal identifiers.
• We may also keep your information for things like legal issues, terms violations, or harm prevention efforts.
• Please refer to the Law and Protection section of our Privacy Policy for more information.
• Your personal information shared with other Facebook Companies will also be deleted.

Related resources:

Learn how to delete your account on: Android | iPhone