We keep different types of information for different periods of time:
We keep your profile information and content for the duration of your account.
We generally keep other personally identifiable data we collect when you use our products and services for a maximum of 18 months.
Remember public content can exist elsewhere even after you remove it from Twitter. For example, search engines and other third parties may retain copies of your Tweets longer, based upon their own privacy policies, even after they are deleted or expire on Twitter. You can read more about search visibility
Where you violate our Rules and your account is suspended, we may keep the identifiers you used to create the account (i.e., email address or phone number) indefinitely to prevent repeat policy offenders from creating new accounts.
We may keep certain information longer than our policies specify in order to comply with legal requirements and for safety and security reasons.