Global Ageing in the Twenty-first Century by McDaniel Susan A. Zimmer Zachary. & Zachary Zimmer

Author:McDaniel, Susan A.,Zimmer, Zachary. & Zachary Zimmer
Language: eng
Format: epub
Publisher: Taylor & Francis (CAM)
Published: 2013-03-18T16:00:00+00:00

Table 9.1 Population growth rates, selected world regions, percentage by age groups1

With this context in mind it is no surprise that population ageing has become a regular item on policy agendas in many countries. Nonetheless, it remains a contentious issue especially among economists who lead debates about how much of a financial burden the older population is expected to be for the coming decades; and consequently, to what extent to proceed with reforms that target public or defined-benefit pension schemes. From the economic viewpoint population ageing becomes a challenge when dependency rates – calculated as the ratio between the dependent population and the economically active population – rise enough to force a change in how the economy provides for its dependent population. In practical terms, this boils down to either changes in the current distribution of income through taxation, or to a decline in benefits promised to retirees. At first glance, a comparison of old-age dependency rates for upcoming decades may legitimize some of the fears concerning the implications of population ageing. Figures 9.1 (a) through (c) provide a snapshot of old-age dependency rates for years 2000, 2025 and 2050 respectively. It is indeed the case that dependency rates are increasing in all regions over the next four decades.

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