Publication: Pensions, Ageing and Social Security Research: Literature Review and Global Trends
Authors
Santos Jaén, José Manuel ; Valls Martínez, María del Carmen ; Amin, Fahim-ul ; Martín Cervantes, Pedro Antonio
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©2021. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by/4.0/
This document is the Published, version of a Published Work that appeared in final form in Mathematics. To access the final edited and published work see https://doi.org/10.3390/math9243258
Abstract
Pension systems are one of the fundamental pillars of the welfare state. The ageing of
the population caused by longer life expectancy and low birth rates has led to a crisis in the public
pension system in developed countries. Changes for the system’s sustainability are necessary, and the
scientific literature on the subject is abundant, especially in recent years. This article aims to carry out
a bibliometric analysis of the research carried out to date, highlighting, in turn, future lines of research.
The study was carried out on a total of 1287 articles published from 1936 to 2021 and found in the
Scopus database. The SciMAT, VOSviewer, and Datawrapper tools were used to analyse the most
important articles, authors, countries, and institutions by volume of production and citations, as well
as the relationships between them. Likewise, the most important keywords and their evolution over
time were highlighted, obtaining the main focus of the research. In addition to the general analysis, a
specific study was carried out in the area of Mathematics. The results show that the leading countries
are the United Kingdom, the USA, and the Netherlands. On the other hand, the lead subject area
in which these articles have been published is Economics, Econometrics, and Finance. The research
trends are sustainability, pension reform related to ageing, and pension insurance.
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