For adults, WHO recommends less than 2,000 mg/day of sodium (equivalent to less than 5 g/day salt or just under a teaspoon). For children aged 2–15 years, WHO recommends adjusting the adult dose downward based on their energy requirements. This does not address the period of exclusive breastfeeding (0–6 months) or complementary feeding with continued breastfeeding (6–24 months).