This document provides background information on a training regarding the development of national soil organic carbon stock maps. It discusses the establishment of the Asian Soil Partnership in 2012 and its 5 pillars of action, with an emphasis on Pillar 4 involving soil data and information. Developing national soil organic carbon maps is important for reporting on sustainable development goals and understanding climate change. The training will focus on building countries' capacity to map soil organic carbon according to Global Soil Partnership specifications to contribute to the Global Soil Organic Carbon Map and the Global Soil Information System.