WGI Publications
Find here official publications from the WGI

Consensus, Global Definitions of Whole Grain as a Food Ingredient and of Whole-Grain Foods Presented on Behalf of the Whole Grain Initiative (2021)
Note: The term "definition(s)" for whole-grain foods in these output documents should more accurately read as "labelling criteria"

Global Whole Grain Food Definition (Version Nov. 2020)
DEFINITION - INCLUDING REQUIREMENTS FOR DESIGNATING WHOLE GRAIN FRONT-OF-PACK

Global Definition of Whole Grain as Food Ingredient (Version March 2021, with adapted ANNEX 1)
This definition refers to whole grain as a raw material and a food ingredient.