Alcalde-Unzu J et al. - Cross-country differences in the share of GDP devoted to health-care expenditure and labour productivity are the main determinants of the level of dispersion in per capita health-care expenditure.In any event, the analysis performed reveals that the overall inequality in per capita health-care expenditure decreased throughout the study period. This was due to the process of international convergence observed in most of the factors used to break down the level of per capita health-care expenditure.