Table No.2 Estimates of Infant and Child mortality rates Zanzibar 89 141 Zanzibar North 103 170 Zanzibar South 87 141 Zanzibar West 70 109 Pemba North 101 166 Pemba South 95 154 Source: 2002 National Population and Housing Census Malnutrition - The number of children under five who are underweight decreased from 29 per cent in 1999 to 22 per cent in 2004, though stunting remains widespread (38 per cent). Mineral and vitamin deficiencies continue to significantly affect children, with 24 per cent having low retinol serum levels, and 7 per cent of school children having goiter. Over 70 per cent of Tanzanian children have some degree of anaemia. In Tanzania over 95 per cent of children are breastfed, though only 2 per cent are exclusively breastfeed for 6 months, as per the WHO recommendation. The medium duration of breastfeeding is 21 months. Advocacy, policies and legislation on infant and young child nutrition have been in place since the 1980s. Various approaches have been used including production and distribution of information, education and communication materials; use of mass media; commemoration of World Breastfeeding Week; and interaction with policy makers during parliamentary sessions. Tanzania participated in the adoption of the resolution endorsing the International Code of Marketing of Breast Milk Substitutes in 1998 and enacted The National Regulation on Marketing of Breast Milk Substitutes and Designated Products in (1994). Furthermore it has adopted the Global Strategy on Infant and Young Child Feeding, thus developing the 34