Some Gerontologists doubt his and other similar claims of extreme old age that come from this area. Analysis of Soviet census records show the lifespan in this area is no more than the expected 115 years for all other populations. Muslimov is one of several men to claim extreme longevity. There are twice as many super-long-lived men as women in this area. This is the opposite of all other populations where women usually outlive men. While there are no accurate records to prove his age, his story captured public attention. 