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The 2003 poll covered 133 countries; the 2007 survey, 180. A higher score means less (perceived) corruption. The results show seven out of every ten countries (and nine out of every ten developing countries) with an index of less than 5 points out of 10.
Happy Planet Index
The Happy Planet Index reveals the ecological efficiency with which human well-being is delivered
The index combines environmental impact with human well-being to measure the environmental efficiency with which, country by country, people live long and happy lives. Learn about the ideas behind the HPI, how it is calculated, why we need it and what it can teach us. Below is a correlation plot of the HPI vs PingER's derived throughput.
Summary Summary
The following table summarize the indices based on their source, coverage and currentness.
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