Skip to main content
. 2021 Sep;154(3):423–432. doi: 10.4103/ijmr.IJMR_1244_18

Table I.

Vitamin D inadequacy in developing countries lying partially between the Tropic of Cancer and Capricorn

Country Latitude Percentage <50 nmol/l4 Rural population5 PM2.559 Weighted annual concentration Status of fortification6
Malaysia 4°21 70 25 13.2 Mandatory
Tanzania 6°37 23 68 23 Mandatory
Sri Lanka 7°87 49.5 82 28 Voluntary
Nigeria 9°08 19.5 52 30 Mandatory
Vietnam 14°06 35 66 29 Nil
Fiji 17°71 11 46 7 Nil
Brazil 23°6 77 14 21.7 Nil
Bangladesh 23°68 80 66 83.3 Nil
India 26° 66 67 60.6 Voluntary
Pakistan 30°37 58 61 115.7 Voluntary
Chile 35°67 40 10 26.8 Voluntary