Is there any kind of Bayesian modeling to calculate the probability of deaths in a subpopulation like employees of a company over a given period of time? I gues

Is there any kind of Bayesian modeling to calculate the probability of deaths in a subpopulation like employees of a company over a given period of time? I guess none of this would be public knowledge to know the background death rate of that population, but assuming it was all public where we knew how many deaths per employee was typical could something be calculated to show this pattern is a mathematical outlier of somekind?