| non-working age population per 100 persons of working age | Ratio of the number of people in non-working age (pre-working age population - 0-17 years and post-working age population - men 65 years and more, women 60 years and more) to the number of working age population (men aged 18-64 and women at the age of 18-59). |
| old-age dependency ratio | The number of persons aged (65 and over) per 100 persons of working age 15-64. |