Iodine Global Network (IGN)

IODINE Global Network

Global iodine scorecard and map

If you have questions or would like to share new data from national IDD/USI surveys for inclusion in the next Scorecard and map update, please contact us.

Global Iodine Scorecard

Last updated: 30 May 2017

Global map of iodine nutrition

Last updated: 30 May 2017

Global map of legislation on salt iodization

This map was created to represent the current status of legislation on fortification of salt. It will be updated as new information becomes available. To the best of our knowledge, this data is correct as of 28 June 2016. Please contact us if you think there are inaccuracies and would like to share new data.

To access and download the latest interactive maps of legislation on fortification of salt, please visit the Global Fortification Data Exchange (GFDx)Achtung Link öffnet sich in einem neuen Fenster, a new tool created by a consortium of partners in food fortification: Food Fortification Initiative (FFI), Global Alliance for Improved Nutrition (GAIN), Iodine Global Network (IGN), and Micronutrient Forum.

Selected resources

Karen Codling, Christiane Rudert, France Bégin, and Juan Pablo Peña-Rosas
Public Health Nutrition

These maps show global progress made at the national level since the first global scorecard was published in 1993 to the most recent update in January 2015. The darker the colour, the more severe the iodine deficiency as a public health problem.

IDD Newsletter 1/2015
Before 1990, only a handful of countries were iodine sufficient. As a result of remarkable efforts in the past two and a half decades, the latest global estimate of iodine nutrition looks more optimistic than ever. Here is a summary of the most important changes since 2012.

Elizabeth N. Pearce, Maria Andersson, and Michael B. Zimmermann
THYROID, Volume 23, Number 5

Maria Andersson, Vallikkannu Karumbunathan, and Michael B. Zimmermann
The Journal of Nutrition

Michael B. Zimmermann and Maria Andersson
Curr Opin Endocrinol Diabetes Obes 19:382–387

Bruno de Benoist, Erin McLean, Maria Andersson, and Lisa Rogers
Food and Nutrition Bulletin vol. 29, no. 3

Bruno de Benoist, Maria Andersson, Ines Egli, Bahi Takkouche, Henrietta Allen
Department of Nutrition for Health and Development, WHO
World Health Organization: Geneva
ISBN 92 4 159200 1


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