A Comparison of Three Pensioners Age Estimation Methods in a Pension Fund

This paper discuss the importance of accurate age estimation for pension fund management and administration, comparing three methods for estimating the age of pensioners within a fund: growth rate based method, time series model based- method, and simulation based method. Empirical comparisons using data from the social security system of Iran show that the simulation based method appears to be more compatible with the behavior of the age distribution of retirees over a 75-year period. This comparison highlights the importance of selecting an age estimation method that aligns well with the characteristics of the pension fund members.