Sodium: US dietary reference intakes levels4
| Group | Adequate intake levels, amount of sodium (g/day) | Tolerable upper intake levels, amount of sodium (g/day) |
| 0–6 months old | 0.12 | N/A |
| 6–12 months old | 0.37 | N/A |
| 1–3 years old | 1.0 | 1.5 |
| 4–8 years old | 1.2 | 1.9 |
| 9–13 years old | 1.5 | 2.2 |
| 14–50 years old | 1.5 | 2.3 |
| 51–70 years old | 1.3 | 2.3 |
| >70 years old | 1.2 | 2.3 |
| Pregnancy, lactation | 1.5 | 2.3 |