4th International Conference on Statistics: Theory and Applications (ICSTA'22) will be delivered as a physical conference combining with the opportunity of live presentation for the people who can not travel for any reason. Attendees will be able to connect with researchers from across the globe and network in-person or virtual. The Conference Proceedings will be published with an ISSN and ISBN, indexed in Google Scholar, and archived permanently in Portico. The 4th International Conference on Statistics: Theory and Applications (ICSTA’22) aims to become the leading annual conference in fields related to Statistics: Theory and Applications. The goal of this statistics conference 2021 is to gather scholars from all over the world to present advances in the relevant fields and to foster an environment conducive to exchanging ideas and information. This conference will also provide an ideal environment to develop new collaborations and meet experts on the fundamentals, applications, and products of the mentioned fields.