In 1993, the European Scientific Committee for Food set population reference intakes (PRI) for calcium in milligrams (mg) per day (39):
| Age | Males: mg/day | Females: mg/day |
| 6–12 months | 400 | 400 |
| 1–3 years | 400 | 400 |
| 4–6 years | 450 | 450 |
| 7–10 years | 550 | 550 |
| 11–14 years | 1,000 | 800 |
| 15–17 years | 1,000 | 800 |
| 18 years and older | 700 | 700 |
| Pregnant | - | 700 |
| Breast-feeding | - | 1,200 |
In 2010, the U.S. Institute of Medicine established a recommended dietary allowance (RDA) for calcium (56):
| Life Stage | Age | Males: (mg/day) | Females: (mg/day) |
| Infants | 0–6 months | 200 | 200 |
| Infants | 6–12 months | 260 | 260 |
| Children | 1–3 years | 700 | 700 |
| Children | 4–8 years | 1,000 | 1,000 |
| Children | 9–13 years | 1,300 | 1,300 |
| Adolescents | 14–18 years | 1,300 | 1,300 |
| Adults | 19 - 51 years | 1,000 | 1,000 |
| Adults | 51 - 70 years | 1,000 | 1,200 |
| Adults | 71 years and older | 1,200 | 1,200 |
| Pregnant and lactating women | 14 - 18 years | - | 1,300 |
| Pregnant and lactating women | 19 - 50 years | - | 1,000 |
For a detailed overview of recommended daily intakes (PRIs/RDAs) of vitamins and minerals for adults derived from different countries and organizations see PDF.
Authored by Dr Peter Engel in 2010, reviewed and updated by Dr Igor Bendik-Falconnier on 12.10.17
