The distribution of research prioritisation methods extracted from WHO publications published 2002–2017. COHRED 3D Council on Health Research and Development 3D Combined Matrix Approach. Delphi a method iterative surveying to identify consensus often used in assessing future needs and governmental foresight exercises. CHNRI Child Health and Nutrition Research Initiative to enable a ranking of priorities by weighted criteria. Survey structured opinion gathering with a defined set of stakeholders. Interviews in-depth interviews with a selection of stakeholders. Quantitative prioritisation (MCDA) Multi-criteria decision analysis to enable a ranking of priorities by weighted criteria. Literature review using a systematic review method. Expert consultation commonly a face-to-face meeting often, but not always, to review the findings from other priority-setting exercises.