Data triangulation offers an alternative route to using data to identify and estimate non-immunized, under-immunized, and zero-dose children more accurately. On August 31, 2023, MOMENTUM Routine Immunization Transformation and Equity held a webinar on the use of this approach drawing from experiential knowledge, and included a panel discussion featuring colleagues from the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b) and the Centers for Disease Control (CDC).