This 52nd Methodological Note presents the methodology and technical decisions behind the country (national) results of the global Multidimensional Poverty Index (MPI) 2022. The 2022 MPI country results are based on the most recent data from 111 countries, covering 6.1 billion people. This document is structured as follows. Section 2 presents the global MPI structure and indicator definitions. Section 3 provides an outline of the global MPI and its partial indices that we estimate and publish. Section 4 outlines the data management policies of the global MPI. Section 5 provides a summary of survey details. Section 6 summarises the country-specific technical decisions that were applied for each of the new or updated surveys. We conclude with brief closing reflections.