Web: Settings > Account > Delete my account, then type your email to confirm.
iPhone: More > Profile > Delete account.
Android: More > Delete account.
Deletion is immediate and can't be undone. Want a copy first? Download your data before you delete.
Do you own a family with other members?
You'll need to transfer ownership to someone else first. We won't leave a shared family without an owner.
Subscriptions
Deleting your account doesn't cancel an App Store or Google Play subscription. Cancel it in your store account. See Cancelling or managing your subscription.