Methods and systems for facilitating the propagation of personal data include a Personal Data Propagation Environment (“PDP environment”) that facilitates the propagation of personal data items between secure personal data stores and various consumers of the personal data items. One PDP environment includes a personal data manager and a personal data subscriber. The personal data manager manages personal data items on a secure data store associated with a user computing device. The personal data manager provides access to personal data items stored on the secure data store in accordance with a personal data subscription associated with the personal data subscriber.