Data sources identified: We identified a total of 62 data sources. The main types of data sources were surveys (87%), randomized controlled trials and longi tudinal follow-up studies (8%), and routine monitoring information systems (5%). The majority of the data sources identified were only representative at the pro ject or study implementation areas. Less than a fifth of the data sources were nationally and regionally repre sentative. Availability of data to track WHA targets: Data were available to track progress for five of the six WHA; with the exception of low birth weight. Limited data were available to adequately track progress at the regional and sub-regional levels. Data availability for target groups: Almost forty per cent of the data sources contained nutrition-related data for households and for children under five years of age. Adolescents and women of reproductive age were the two target groups with the least amount of data available.
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