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Global Target
The Healthier Populations (HPOP) Billion target is for one billion more people to enjoy better health and well-being.
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How it is measured
The HPOP Billion uses 17 outcome indicators related to social, environmental, and behavioural risks. At a population level, the index measures the number of people whose lives have become healthier by assessing the net change in one or more of the component indicators over a given time period.
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Indicators
The 17 indicators for this Billion focus on factors where key controls lie outside the health sector. Most of the selected indicators measure risk to health (e.g. prevalence of tobacco use and access to clean water). Such indicators are usually the outcome of policy and can be considered as a measure of the effectiveness of legislation, education and regulation. Five of the selected indicators are not measures of prevalence of risk, but are included in the Healthier Populations Billion because they are key contributors to population health (alcohol, air pollution, road safety, trans fats, and mental health (suicides)).
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Data Sources
The primary data source for these indicators will be the United Nations Sustainable Development Goals' Indicator Database and WHO Global Health Observatory. These databases contain country-reported data or official estimates that have been reviewed and approved in consensus with Member States. Indicators for this index are also tracked in the 46 Outcome Indicators. It is intended that information on policy implementation and legislation will also be reported and tracked alongside the indicators.
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Methods
All indicators for this Billion are represented on a scale of healthiness from 0% (least healthy) to 100% (most healthy). For this reason several prevalence indicators, such as obesity and tobacco use, are inverted. The five non-prevalence indicators require a simple transformation before including in the index. In order to easily compare indicators on the dashboard they have been normalized, meaning some indicators have been transformed so that they have values between 0 and 100 percent. The healthier lives approach uses a simple unweighted counting scheme to measure the net number of people, at a population level, whose lives are newly healthier in some way. It counts lives that are newly healthier because of interventions and not additions to the count of healthier lives simply due to population growth that would include a certain proportion of healthy lives. It's important to note that negative contributions can occur if an indicator prevalence has worsened over time. Please see the Methods Report for further information.
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Projections
Please see the Triple Billion Target FAQs for further information.
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Limitations:
The Healthier Populations Billion only measures change. It does not count the number of people who are fully healthy and it does not assess the average healthiness of a population. Healthier lives are currently calculated only where estimates are available. Missing data will mean that some newly healthier lives are not counted but will avoid counting unmeasured change. The simple unweighted counting scheme has the advantage of simplicity but does not capture the potential disparate health impacts of the various indicators.
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