In recent years, population aging has received great attention in developed countries given the social challenges that it entails. At this regard, it is well documented that this collective is associated with fewer resources (both physical and economic). Furthermore, ageing societies incite an...

Vaccination is a relevant prevention measure as a health strategy as it improves population’s health and well-being. This paper examines the relationship between trends in childhood vaccination coverage and per capita income from 2000 to 2020 and, specifically, the existence of convergence...