en پژوهشي Research <div><strong>Introduction: </strong>The process of demographic transition has led to a change in the age of populations. Almost all countries around the globe have passed or are passing through the reproductive phase, which naturally contributes to the rising elderly populations. The present study was conducted to predict future trends of the elderly population in Ilam city.<br> <strong>Materials and Methods:</strong> <a name="_Hlk83282040">The secondary analysis method, population forecasting model, and scenario producing approach were used to assess demographic changes. Data analysis and the prediction of population features were performed using Spectrum and Mortpak software.</a><br> <strong>Results</strong><strong>:</strong> Among the important findings of this study was that the elderly population is rising in Ilam. Currently, the elderly population comprises 5% of the total population of Ilam, which will increase to more than 20% in 2050.<span dir="RTL"></span><br> <a name="_Hlk85713844"><strong>Conclusion</strong></a><strong>:</strong> Policy makers and managers should consider implementing social welfare and health care services for the elderly in the future.</div> Population change, Futures studies, Ilam, Population projection, Aging 69 75 http://jbrms.medilam.ac.ir/browse.php?a_code=A-10-565-1&slc_lang=en&sid=1 Azizmorad Moradnezhadi nazzii132@gmail.com 10031947532846004884 10031947532846004884 No Department of Population Studies, Central Tehran Branch, Islamic Azad University, Tehran, Iran Ali Pezhhan Pezhhan_ali@yahoo.com 10031947532846004885 10031947532846004885 Yes Department of Population Studies, Central Tehran Branch, Islamic Azad University, Tehran, Iran Naser Hejazi hejaziin@yahoo.com 10031947532846004886 10031947532846004886 No Department of Sociology, Dehaghan Branch, Islamic Azad University, Tehran, Iran