If the decision is made to engage in global monitoring of food insecurity among households with children, no new knowledge is needed in terms of measurement, however, without additional knowledge even this measure will be limited in its utility as it is not yet established how, or to what extent, household food insecurity represents a developmental risk to children across contexts. For all other measurement purposes some new knowledge is necessary. As discussed in the previous sections of this paper, three main conclusions from existing research are particularly important to informing the development of that new knowledge.