Nowadays, young adults' population of some countries is more than older people population. There are both pros and cons on this, as I will outline in this essay. Finally, I represent my viewpoint. To begin with, youth population is the main wealth of a country. The more youth population means more wealth of a country. However, having capital does not provide success for country unless using them by education and enabling them to use their potential in organizations and industries. As workforce is the most valuable capital of an organization which is supplied by youths, cycles of industries and organizations move by young men and women who look for progress and income for making a living. Providing educational opportunities for employees and workers is a means of development in human resources which leads to efficiency in that organization. Secondly, protection of security of a country is in the hands of youth population. Boundaries of all countries are protected by youth military fo...