@misc{oai:kawasakigakuen.repo.nii.ac.jp:00000337, author = {Masatoshi TAKEDA and Takenori KOMATSU and Kenji OKA and Takeshi KAMISHIMA}, month = {Dec}, note = {Many economically developed countries are facing problems of rapidly increasing elderly population and high number of dementia people. The ratio of elderly people in Japan (65 ears and over) exceeded 7% in 1970, 14% in 1994, and 21% in 2007, 28% in 2019, which will reach 38% by 2050. In 1950, 12.1 working people supported one elderly, but only 2.0 working people supports one elderly. In order to make the society more sustainable, increase in working population is required. One of the effective means will be extension of retirement age, by supplying employment support to the elderly. The prevention or delay of onset of early Alzheimer's disease is not only medical but also societal task of the aged society, and the author will discuss some solutions for this purpose., Review Article}, title = {Aging labor force and dementia prevention}, year = {2021} }