Number of young (0-14 years) and elderly people (65 years and over) per 100 working-age population (15-64 years)
| 1970 | 2010 | |
|---|---|---|
| Catamarca | 85.93 | 63.69 |
| Buenos Aires | 51.76 | 59.88 |
| Ciudad Autónoma de Buenos Aires | 42.63 | 53.40 |
| Córdoba | 83.49 | 64.41 |
| Chubut | 82.80 | 64.21 |
| Chaco | 55.10 | 59.80 |
| Entre Ríos | 67.57 | 62.52 |
| La Pampa | 55.56 | 61.50 |
| Mendoza | 58.02 | 60.70 |
| Formosa | 88.54 | 67.79 |
| Jujuy | 73.69 | 61.42 |
| La Rioja | 82.70 | 58.13 |
| San Juan | 68.06 | 64.63 |
| Río Negro | 65.40 | 57.07 |
| Misiones | 90.27 | 68.48 |
| Neuquén | 71.70 | 53.69 |
| Tierra del Fuego, Antártida e Islas del Atlántico Sur | 43.22 | 49.45 |
| Santa Cruz | 54.69 | 54.05 |
| Santiago del Estero | 88.28 | 69.82 |
| San Luis | 65.16 | 62.50 |
| Santa Fe | 52.64 | 58.93 |
| Tucumán | 68.79 | 61.43 |
| Corrientes | 66.95 | 55.89 |
| Salta | 76.34 | 66.33 |