The relevance of the research on the psychosocial dimensions of aging is really the same in europe and USA?

The paper by Kirilov and Coll." Active aging and elderly’s quality of life: Comparing the impact on literature of projects funded by the European Union and USA" has the merit of focusing on a strongly critical general theme: the weight given to the results of literature in Europe and the USA. The subject matter is everywhere relevant, but somewhat more critical in Europe, would mean an imbalance of interest between the two countries. However, the results of the research reassure us: apparently, the projects financed with public money in Europe and in the US have the same impact in the literature