Using household death questions from surveys to assess adult mortality in periods of health crisis: An application for Peru, 2018–2022

BACKGROUNDThe COVID-19 pandemic highlighted the importance of civil registration and vital statistics (CRVS) systems for tracking and monitoring mortality outcomes during a public health crisis, especially in low-and middle-income countries.Alternative mortality data sources, such as censuses and surveys, offer an opportunity to assess the impact of health crises on countries with incomplete CRVS systems.