when wasting rates will be substantially higher using the new WHO standards.With respect to overweight,use of the new WHO standards will result in a greater prevalence that will vary by age, sex and nutritional status of the index population. The growth standards presented in this report provide a technically robust tool that represents the best description of physiological growth for children under five years of age.The standards depict normal early childhood growth under optimal environmental conditions and can be used to assess children everywhere,regardless of ethnicity,socioeconomic status and type of feeding. XXxx when wasting rates will be substantially higher using the new WHO standards. With respect to overweight, use of the new WHO standards will result in a greater prevalence that will vary by age, sex and nutritional status of the index population. The growth standards presented in this report provide a technically robust tool that represents the best description of physiological growth for children under five years of age. The standards depict normal early childhood growth under optimal environmental conditions and can be used to assess children everywhere, regardless of ethnicity, socioeconomic status and type of feeding