Hauti be laabi mayiide tokkitiɗe (hauti be life table, Gompertz models, hazards models, Cox proportional hazards models, multiple decrement life tables, Brass relational logits), dayngol (Hernes model, Coale-Trussell models, parity progression ratios) ɓangal, (Singulate Mean at Marriage, Page model), nyawuuji (Sullivan's method, multistate life tables), population projections (Lee-Carter model, the Leslie Matrix), and population momentum (Keyfitz).