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The table below presents the latest Human Development Index (HDI) for countries in Africa as included in the United Nations Development Programme's Human Development Report, released on 13 March 2024 and based on data collected in 2024. [1] As of 2024, all African UN member states are included in the report.
The IQ figures are based on 3 different studies for 17 nations, two studies for 30 nations, and one study for 34 nations. There were actual tests for IQ in the case of 81 countries out of the 185 countries studied. For 104 nations there were no IQ studies at all and IQ was estimated based on the average IQ of surrounding nations. [2]
English: National IQ scores as estimated by Lynn and Vanhanen in their book IQ and Global Inequality. Compared to the previous, PNG version, this SVG version has a consistent legend (one bucket is missing it the PNG version). Adjustments: data for South Sudan are from Sudan and data for Montenegro are from Serbia. Data used for generating the map:
In 2009 Jelte M. Wicherts, Conor V. Dolan, and Han L.J. van der Maas conducted a new analysis of IQ in sub-Saharan Africa, which was critical of many of Lynn and Vanhanen's methods. [13] Wicherts et al. concluded that Lynn and Vanhanen had relied on unsystematic methodology by failing to publish their criteria for including or excluding studies.
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An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. World map of countries or territories by Human Development Index scores in increments of 0.050 (based on 2022 data, published in 2024) ≥ 0.950 0.900–0.950 0.850–0.899 0.800–0.849 0.750–0.799 0.700–0.749 0.650–0.699 0.600–0.649 0.550–0.599 0.500–0.549 0.450–0.499 0. ...