“…Although we show in Table 4 unreported demographic data for readers' information (civilian victims of unreported age, children of unreported sex, and in the footnote, adults of unreported sex), assessment for bias in reporting demographic information requires knowing the true demographic composition of the unknowns within this dataset, or comparison to a matched, independent dataset of comparable detail. A study using the IBC database found no media-reporting bias for governorates with higher levels of insurgent violence to have any more, or less, missing information on event location, but missing demographic information was not examined [47]. It has been established that media reports can provide systematic, meaningful data on conflict casualties [1],[7],[10],[11],[34],[48]–[50].…”