The Unified Analysis Workshop(UAW) 2022 will be held successively with the REFAG 2022 Symposium in October 21-23, 2022. The UAW 2022 is co-organized by the IAG’s Global Geodetic Observing System (GGOS) and the International Earth Rotation and Reference Systems Service (IERS) for the purpose of discussing issues that are common to all space-geodetic measurement techniques.