New Zealand
It's vital that everyone gets enough iodine, especially children and people who are pregnant. In 2009 iodised salt became mandatory in bread in New Zealand, and since then children and men have had better iodine levels. However, many women are still iodine deficient. Researchers looking at ways to increase iodine intake point out that iodine levels in supermarket salt have fallen since 2009, and also the amount of non-iodised salt purchased is high - for instance pink Himalayan salt made up 14% of salt sales volume in the last year. They suggest one option is to make it mandatory to use iodised salt in more foods, as reviews have shown this causes little change to products such as cheese, french fries, and cereals.
From:
It is important for children and people who are pregnant to have adequate iodine intakes for normal growth and development of infants and children. In New Zealand we add iodine to table salt to supplement intakes. We tested iodine levels in iodised salt and found that levels had dropped compared to previous studies. Two salts had iodine concentrations that were below required levels.
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