There is growing understanding and high-level endorsement of the importance of strong collaborative multisectoral approaches to address a broad range of social, economic and governance issues for the prevention and control of noncommunicable disease (NCDs) and mental health conditions. In 2019, World Health Organization (WHO) Member States requested the WHO Director-General to provide an analysis across countries of successful approaches for the prevention and control of NCDs that used multisectoral action. This WebAnnex to the Global mapping report on multisectoral actions to strengthen the prevention and control of noncommunicable diseases and mental health conditions details experiences from around the world.