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| Afghanistan | 28 | 2004 | no cut-off noted | Summary Report of the National Nutrition Survey 2004, p. 2. |
| Albania | 62 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Algeria | 61 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Andorra | - | | | |
| Angola | 35 | 2001 | 15+ | MICS 2001, Re-analyzed by UNICEF HQ, December 2002. |
| Antigua and Barbuda | - | | | |
| Argentina | 90 | 1996 | | Fax Reference: BUE/NY/035/96 UNICEF Country Office, 27 February 1996. |
| Armenia | 97 | 2005 | 15+ | Report on the Nationally Representative Survey of Iodine Nutrition and Implementation of Universal Salt Iodization Program in Armenia, 2005, MOH and UNICEF, Table 9, p. 10. |
| Australia | - | | | |
| Austria | - | | | |
| Azerbaijan | 26 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Bahamas | - | | | |
| Bahrain | - | | | |
| Bangladesh | 84 | 2006 | 10+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Barbados | - | | | |
| Belarus | 55 | 2003-2004 | no cut-off noted | Sociological Study with Salt Testing 2003-04, Belarus State University Center for Sociological and Political Studies. |
| Belgium | - | | | |
| Belize | 90 | 1994 | | Ministry of Health, 1994. |
| Benin | 72 | 2001 | 15+ | DHS 2001, Final Report, Table 10.7, p. 166. |
| Bhutan | 96 | 2002 | no cut-off noted | UNICEF, Anemia Among Men, Women and Children in Bhutan 2002, p. 28. |
| Bolivia | 90 | 2003 | no cut-off noted | DHS 2003, Final Report, Table 10.11, p. 230. |
| Bosnia and Herzegovina | 62 | 2005 | 20+ | UNICEF and MOH, Iodine Status of the Population of Bosnia-Herzegovina 2006, Table 13, p. 46. |
| Botswana | 66 | 2000 | 15+ | MICS 2000, Table 15. |
| Brazil | 88 | 2000 | 15+ | MOH, ThyroMobile Project 2000. |
| Brunei Darussalam | - | | | |
| Bulgaria | 100 | 2006 | 15+ | MOH (Ref. 48-06-5) 2006. |
| Burkina Faso | 34 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Burundi | 98 | 2005 | no cut-off noted | Rapport de l'Enquête Nationale de Nutrition de la Population, 2006. Table 24, p. 36. |
| Cambodia | 73 | 2005 | no cut-off noted | DHS 2005, Final Report, Table 15.9, p. 183. |
| Cameroon | 49 | 2006 | 25+ | MICS 2006, Re-analyzed by UNICEF HQ, May 2007. |
| Canada | - | | | |
| Cape Verde | 0 | 1996 | 15+ | MOH and UNICEF, Enquete National sur la Carence en Lode et la Consommation du Sel au Cap Vert 1996. |
| Central African Republic | 62 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, May 2007. |
| Chad | 56 | 2004 | 15+ | DHS 2004, Final Report, Table 2.7, p. 28. |
| Chile | 100 | 2006 | 20+ | MOH, Reglamento Sanitario de los Alimentos 2006. Annex 6. |
| China | 90 | 2005 | 20+ | China National IDD Monitoring Report 2005, Table 11, p. 23. |
| Colombia | 92 | 1997 | | MOH, UNICEF, OPS and OMS, Control de los Desordenes por Deficiencia de Yodo en Colombia 1998, p.14. |
| Comoros | 82 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Congo | 82 | 2005 | 15+ | DHS 2005, Final Report, Table 11.5, p. 164. |
| Congo, Democratic Republic of the | 72 | 2001 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Cook Islands | - | | | |
| Costa Rica | 97 | 1996 | no cut-off noted | National Nutrition Survey 1996. |
| Cote d'Ivoire | 84 | 2004 | | MOH and UNICEF, Evaluation de la Lutte Contre les Troubles dus à la Carence en Iodé en Cote d'Ivoire 2004, Final Report, p. 26. |
| Croatia | 90 | 1999 | | Analysis Report of the Croation National Institute of Public Health and UNICEF Croatia, 2000. |
| Cuba | 88 | 2005 | 15+ | ONE, National Survey of Nutrition and Food Hygiene 2005. |
| Cyprus | - | | | |
| Czech Republic | - | | | |
| Denmark | - | | | |
| Djibouti | 0 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Dominica | - | | | |
| Dominican Republic | 19 | 2006 | 15+ | ONE, ENHOGAR 2006. |
| Ecuador | 99 | 1999 | | Ministry of Public Health, National Program of Bocio-MSP, 1999. |
| Egypt | 78 | 2005 | 15+ | DHS 2005, Final Report, Table 13.7, p. 169. |
| El Salvador | 62 | 2002 | 15+ | Ministro de Salud, Situación de los Alimentos Fortificados en El Salvador, 2002, p. 4. |
| Equatorial Guinea | 33 | 2000 | 15+ | MICS 2000, Final Report, p. 24. |
| Eritrea | 68 | 2002 | 15+ | DHS 2002, Final Report, Table 10.7, p. 172. |
| Estonia | - | | | |
| Ethiopia | 20 | 2005 | 15+ | DHS 2005, Final Report, Table 11.6, p. 151. |
| Fiji | 31 | 1994 | | National IDD Survey 1994. |
| Finland | - | | | |
| France | - | | | |
| Gabon | 36 | 2001 | 15+ | Rapport Enquête Nationale sur les Troubles Dus a la Carence en Lode au Gabon 2001, Table 18, p. 38. |
| Gambia | 7 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Georgia | 91 | 2005 | 15+ | Eliminating Iodine Deficiency in the Rep. of Georgia: Overview of 2005 National Survey, p.6. |
| Germany | - | | | |
| Ghana | 32 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Greece | - | | | |
| Grenada | - | | | |
| Guatemala | 67 | 2002 | 15+ | The Situation of Food Fortification 2002, Final Report, p. 5. |
| Guinea | 51 | 2005 | no cut-off noted | DHS 2005, Final Report, Table 10.5, p. 159. |
| Guinea-Bissau | 1 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Guyana | - | | | |
| Haiti | 3 | 2005-2006 | 15+ | DHS 2005-2006, Final Report, Table 11.6, p. 156 |
| Holy See | - | | | |
| Honduras | 80 | 1998 | 25+ | Informe del Depto de Control de Alimentos de la Sec, Salud sobre la Encuesta de Hogares, Componente de Micronutrientes, 2000. |
| Hungary | - | | | |
| Iceland | - | | | |
| India | 51 | 2005-2006 | 15+ | NFHS 2005 - 2006, latest update from MOH via email |
| Indonesia | 73 | 2003 | 30+ | SUSENAS 2003, pp. 35-37. |
| Iran (Islamic Republic of) | 99 | 2005 | | MOH, Anthropometric Nutritional Indicator Survey II, 2005. |
| Iraq | 28 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Ireland | - | | | |
| Israel | - | | | |
| Italy | - | | | |
| Jamaica | 100 | 1999 | | |
| Japan | - | | | |
| Jordan | 88 | 2000 | | MOHand UNICEF, Assessment of IDD Among Jordanian Children After Introduction of Iodized Salt 2000. |
| Kazakhstan | 92 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, May 2007. |
| Kenya | 91 | 2000 | 15+ | MICS 2002, Final Report, Table 11. |
| Kiribati | - | | | |
| Korea, Democratic People's Republic of | 40 | 2004 | no cut-off noted | National Nutrition Assessment 2004, Table 27, p. 64. |
| Korea, Republic of | - | | | |
| Kuwait | - | | | |
| Kyrgyzstan | 76 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Lao People's Democratic Republic | 75 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Latvia | - | | | |
| Lebanon | 92 | 2004 | 15+ | PAPFAM 2004, Preliminary Report, p. 20. |
| Lesotho | 91 | 2004 | 15+ | DHS 2004, Final Report, Table 10.6, p. 165. |
| Liberia | - | | | |
| Libyan Arab Jamahiriya | 90 | 1993 | | |
| Liechtenstein | - | | | |
| Lithuania | - | | | |
| Luxembourg | - | | | |
| Madagascar | 75 | 2003-2004 | 15+ | DHS 2003-04, Final Report, Table 9.7, p. 170. |
| Malawi | 48 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Malaysia | - | | | |
| Maldives | 44 | 2001 | 15+ | MICS 2001, Final Report, Figure 5.2. |
| Mali | 74 | 2001 | no cut-off point | DHS 2001, Final Report, Table 9.7, p. 146. |
| Malta | - | | | |
| Marshall Islands | - | | | |
| Mauritania | 2 | 2000-2002 | no cut-off noted | DHS 2000-01, Final Report, Table 2.8, p. 21. |
| Mauritius | 0 | 1995 | | Survey of Nutrition in Mauritius 1995 |
| Mexico | 91 | 2003 | 15+ | Asociación Mexicana de la Industria Salinera, Avances en Yodación de Sal en México, May 2004, p. 16. |
| Micronesia (Federated States of) | - | | | |
| Moldova, Republic of | 60 | 2005 | 15+ | DHS 2005, Final Report, Table 11.4, p. 143. |
| Monaco | - | | | |
| Mongolia | 83 | 2005 | no cut-off noted | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| Montenegro | 71 | 2000 | 15+ | MICS 2000, Final Report from Former Republic of Yugoslavia, Table 17, p. 72. |
| Morocco | 59 | 2005 | no cut-off noted | Ministère de la Santé, Rapport sur l'Utilisation du Sel Iodé par les Ménages au Maroc 2005, Table 4. |
| Mozambique | 54 | 2003 | no cut-off noted | DHS 2003, Final Report, Table 10.7, p. 172. |
| Myanmar | 60 | 2003 | 15+ | MICS 2003, Table 15, p. 42. |
| Namibia | 63 | 2000 | | DHS 2000, Final Report, Table 2.10, p. 23. |
| Nauru | - | | | |
| Nepal | 63 | 2000 | 15+ | BCHIMES 2000, Final Report, Table 6.1, p. 68. |
| Netherlands | - | | | |
| New Zealand | 83 | 1996-1999 | no cut-off noted | National End-Decade Report 2000. |
| Nicaragua | 97 | 2003 | 15+ | MOH, SIVIN, Primer Informe de Progreso 2002-2003, Table 10, p. 17. |
| Niger | 46 | 2006 | 15+ | DHS 2006, Final Report, Table 11.7, p. 182. |
| Nigeria | 97 | 2003 | 15+ | DHS 2003, Final Report, Table 11.7, p. 160. |
| Niue | - | | | |
| Norway | - | | | |
| Occupied PT | 86 | 2006 | 15+ | Palestinian Family Health Survey 2006. Preliminary Report. Table 8, p. 40. |
| Oman | 61 | 1998 | | Monitoring Universal Salt Iodization in Oman - A Collaborative Project of MOH/UNICEF 1998, Draft Report, Ministry of Health. |
| Pakistan | 17 | 2002 | no cut-off point | National Nutrition Survey 2001-2002, Figure 3.5.3, p. 48. |
| Palau | - | | | |
| Panama | 95 | 1998 | | MOH, Sistema de Vigilancia de la Yodacion de la Sal 1998. |
| Papua New Guinea | - | | | |
| Paraguay | 88 | 2000-2001 | 15+ | General Directorate for Statistics and Censuses, Encuesta Integrada de Hogares 2000-01. |
| Peru | 91 | 2004 | 15+ | MOH-INS/CENAN, National Monitoring of Nutritional Indicators 2004, Table 50, p. 101. |
| Philippines | 56 | 2003 | no cut-off noted | National Nutrition Survey 2003, Preliminary Report. |
| Poland | - | | | |
| Portugal | - | | | |
| Qatar | - | | | |
| Romania | 74 | 2004 | 15+ | F. Van der Haar, National Nutrition Status Survey 2004, p. 1. |
| Russian Federation | 35 | 2002-2003 | no cut-off noted | KAP Survey 2000-2003. |
| Rwanda | 88 | 2005 | 15+ | DHS 2005, Final Report, Table 10.5, p. 138. |
| Saint Kitts and Nevis | 100 | 2000 | | Main Health Centre, Child Health. |
| Saint Lucia | - | | | |
| Saint Vincent and Grenadines | - | | | |
| Samoa | - | | | |
| San Marino | - | | | |
| Sao Tome and Principe | 37 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, May 2007. |
| Saudi Arabia | - | | | |
| Senegal | 41 | 2005 | 15+ | DHS 2005, Final Report, Table 10.8, p. 194. |
| Serbia | 73 | 2000 | 15+ | MICS 2000, Final Report from Former Republic of Yugoslavia, Table 17, p. 72. |
| Seychelles | - | | | |
| Sierra Leone | 45 | 2005 | 15+ | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| Singapore | - | | | |
| Slovakia | - | | | |
| Slovenia | - | | | |
| Solomon Islands | - | | | |
| Somalia | 1 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| South Africa | 62 | 1998 | 15+ | National Research Programme for Nutritional Intervention, Medical Research Council., National Survey of the Iodine Concentration of Household Salt in South Africa 1998. |
| Spain | - | | | |
| Sri Lanka | 94 | 2005 | - | Medical Research Institute, Nationwide IDD School Survey 2005. |
| Sudan | 1 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, March 2002. |
| Suriname | - | | | |
| Swaziland | 59 | 2000 | 15+ | MICS 2000, Re-analyzed by UNICEF HQ, December 2002. |
| Sweden | - | | | |
| Switzerland | - | | | |
| Syrian Arab Republic | 79 | 2003 | 15+ | Study on Use of Iodized Salt in Syria 2003, Ministry of Health, p. 33. |
| Tajikistan | 46 | 2005 | 15+ | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| Tanzania, United Republic of | 43 | 2004-2005 | 15+ | DHS 2004-05, Final Report, Table 11.6, p. 186. |
| Thailand | 58 | 2005 | no cut-off noted | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| The former YR Macedonia | 94 | 2005 | 20+ | MOH, Report on the Activities Implemented by the National Committee for Iodine Deficiency 2005. |
| Timor-Leste | 72 | 2000 | 15+ | MICS 2000, Figure 8.4, pp. 57-58. |
| Togo | 25 | 2006 | 15+ | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| Tonga | - | | | |
| Trinidad and Tobago | 28 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, May 2007. |
| Tunisia | 97 | 2000 | 15+ | MICS 2000, Final Report, Table 1.19. |
| Turkey | 64 | 2003 | potassium iodide
(any level); potassium iodate (15+) | DHS 2003, Final Report, Table 12.5, p. 146. |
| Turkmenistan | 87 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Tuvalu | - | | | |
| Uganda | 95 | 2000-2001 | 15+ | DHS 2000-01, Final Report, Table 10.7, p. 150. |
| Ukraine | 18 | 2005 | 15+ | MICS 2005, Re-analyzed by UNICEF HQ, April 2007. |
| United Arab Emirates | - | | | |
| United Kingdom | - | | | |
| United States | - | | | |
| Uruguay | - | | | |
| Uzbekistan | 53 | 2006 | 15+ | MICS 2006, Re-analyzed by UNICEF HQ, April 2007. |
| Vanuatu | - | | | |
| Venezuela | 90 | 1998 | 15+ | Instituto Nacional de Nutricion, UNICEF and OPS, Micronutrientes y Calidad de Vida 1999. |
| Viet Nam | 93 | 2005 | 15+ | Household-Based Survey on the Use of Iodized Salt and Salty Condiments in Reproductive Aged Women in Vietnam in 2005-2006, p. 27. |
| Yemen | 30 | 2003 | 15+ | Family Health Survey 2003, Table 12.5, pp. 129-30. |
| Zambia | 77 | 2002 | 15+ | DHS 2001-2002, Final Report, Table 11.6, p. 173. |
| Zimbabwe | 93 | 1999 | 30+ | Iodine Deficiency Disorders (IDD) Situation in Zimbabwe 1999. |
