Cognitive functioning among older adults in Japan and other selected Asian countries: In search of a better way to remeasure population aging

Ogawa, Naohiro and Fukai, Taiyo and Mansor, Norma and Kamarulzaman, Nurul Diyana (2022) Cognitive functioning among older adults in Japan and other selected Asian countries: In search of a better way to remeasure population aging. Asian Development Review, 39 (1). 91 -130. ISSN 01161105, DOI https://doi.org/10.1142/S0116110522500068.

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Abstract

Japan is the oldest society in the world. It has the highest proportion of the population aged 65 and over, a demographic indicator that has been used by demographers for more than a century. One of the main objectives of this study is to apply a new indicator-the cognition-adjusted dependency ratio (CADR)-to remeasure the level of population aging from an innovative point of view. To compute this new index, we apply the mean age-group-specific immediate recall scores for Japan and four other Asian countries, and we compare the results with those derived from the United States and various developed nations in Europe. Our analysis shows that Japan's pattern and level of age-related decline in cognitive functioning are highly comparable to those of many other developed nations, particularly in Continental Europe. Among the other Asian countries, Malaysia shows a pattern of change similar to countries in Southern Europe, although Malaysia has slightly lower scores than Southern Europe in all age groups. More importantly, these comparative results based on CADR are astonishingly different from the corresponding results obtained from conventional old-age dependency ratios. The Japanese case is the most salient example. © 2022 Asian Development Bank.

Item Type: Article
Funders: International Institute for Population Sciences
Uncontrolled Keywords: Japan; Malaysia; Southern Europe; United States; Aging population; Cognition; Comparative study; Demography; Elderly population
Subjects: R Medicine
R Medicine > RA Public aspects of medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 01 Dec 2023 03:19
Last Modified: 01 Dec 2023 03:19
URI: http://eprints.um.edu.my/id/eprint/44030

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