"The SSA Death Master File used to be the source of truth, but due to legislative changes, now provides only approximately 16% of decedents with the downward trend likely to continue ... Today, instead of a single source of truth to identify decedents, performing mortality verifications requires a lot of effort as obituaries account for around 67% of identified deaths. This requires using thousands of data sources ... Missing or having typos in an individual's data could lead to a high percentage of missed deaths."  MORE >>