Table 4 Weights of Shannon entropy for the indicators used in TOPSIS

1

Percentage of people over 65 years old with a higher education than a diploma

0.4325

2

percentage of people with lower incomes than the median income of the country

0.1735

3

Average person’s income over 65 years into the average income of the rest of the population

0.1049

4

Life expectancy in men at the age of 65

0.0837

5

Percentage of People with salary and wages and pension

0.0726

6

Life expectancy in women at the age of 65

0.0391

7

Economic Participation Rate of age above65

0.0366

8

Percentage of population over 65 who is working

0.0362

9

proportion of families with elderly supervisor above65 years old

0.0128

10

Percentage of people over 65 who live in non-single-family households

0.0069

11

Percentage of married people over 65

0.0011