Introduction:

Basic demographic indicators constitute a statistical operation, conformed by a collection of indicators that allow analyzing the incidence of the basic demographic phenomena in a society.

Objective:

To design an indicator, taking the masculinity index as a starting point, for the evaluation of population ageing through a hierarchical scale.

Methods:

An ecological study was carried out that included any population with existent information, from the age 0 to a final open group of 75 years and over, subdivided by five-year groups and sex. The sample was selected by random simple sampling. The mean arithmetic, medium arithmetic, typical deviation and percentiles were among the descriptive measures; also, the Kolmogorov-Smirnov test for goodness of fit, the receiver operating characteristic curve, Youden index, Pearson correlation coefficient, kappa coefficient as a measure of concordance and chi-square test of independence were applied.

Results:

A good or high concordance existed with the Sundbarg index and a high correlation with all the aging indicators, except the dependence index.

Conclusion:

The pondered masculinity ratio provides an excellent measuring of the aging degree in a population, whenever the final age interval is 75 years and over.

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