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5/22/2015 AverageIQinEuropebycountry(map)
http://jakubmarian.com/averageiqineuropebycountrymap/ 1/6
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AverageIQinEuropebycountry(map)byJakubMarian
Tip:DidyouknowthatironispronouncedasIearn,notasIRon?LearnmoreaboutthemostcommonpronunciationmistakesinEnglish(PDFversion)
Note:Thisarticleispartofmyextensivecollectionofstatisticalmaps.
Pleasenote:QualityofeducationgreatlyinfluencesIQscores,i.e.aloweraverageIQismoreindicativeofloweraccesstowidescalequalityeducationratherthaninnateintelligence(seemyexplanationoftheissue).Also,testingconditionsinfluenceresultswealthiercountriesaremorelikelytobeabletoaffordbettertestingconditionsforparticipants.
Thedatamaybeoutdatedforsomecountries(notalluptodatestatisticaldatawasavailableforallcountries).Becauseofinevitablestatisticalerrors,isolatedfiguresmustbetakenwithagrainofsalt.
Beforeusingstrongwordsinthecomments,pleaseconsider:
Myintentionwiththemapwasnttoadvertizeorridiculeanyparticularcountry(Ididntknowthenumbersbeforehand).Ijustcreatedavisualizationofstatisticaldatabasedonahighlycitedscientificpaper,justlikeIhavedonefordozensofothermaps.
Loweraccesstoqualityeducationanywhereintheworldisinnoonesinterest(maybeapartfrompoliticiansandcompanieswantingtoconrolpeople).Thecorrectquestionweshouldaskthereforeis:Whatisthereasonbehindthetrendswesee?Whatcanwe,theEuropeansociety,dotohelpcountrieswithworseperformingeducationsystems?
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http://jakubmarian.com/averageiqineuropebycountrymap/ 2/6
Update:Lynn,Vanhanen(2012)
Thefollowingmaphasbeenmadeafteroneofmyreaderspointedoutthatabookbasedonnewerdata,Intelligence:AUnifyingConstructfortheSocialSciencesbyLynnandVanhanen,wasavailable.Seebelowfortheoriginalmap.Notethatparticularfiguresinmostcountriesmaybeslightlylowerthanintheoriginalmapsimplybecausethenormalizationusedisbasedonadifferentsetofdata.Numberswritteninparenthesesareonlyestimatesbasedondemographics.
LynnandVanhanen(aswellasRindermannbelow)usednotonlyIQmeasurementsavailableintherespectivecountriesbutalso,toagreatdegree,variousstandardizedstudentassessmentstudiesandknowncorrelationsbetweenIQandresultsofsuchstudies:
UPDATEforBosniaandHerzegovina:DuetoacontroversysurroundingtheBalkans,Ireviewedthedata.LynnandVanhanenmadeanumerical(ortypographical)errorinthecaseofBosnia,whichisnowcorrected.ThedatafortherestoftheBalkansagreeswiththeavailablePISAandTIMSSstudies(standardizedstudentassessmentstudies).
ItisalsonotwithoutinterestwhatthemaplookslikewhentherawIQdataisnotadjustedusingstudentassessmentstudies.N/AmeansthattheIQshownabovewasbasedsolelyonstudentassessment
http://jakubmarian.com/map-of-the-results-of-pisa-student-assessment-studies-in-mathematics-reading-and-science-in-europe/http://en.wikipedia.org/wiki/Trends_in_International_Mathematics_and_Science_Studyhttp://en.wikipedia.org/wiki/Programme_for_International_Student_Assessment5/22/2015 AverageIQinEuropebycountry(map)
http://jakubmarian.com/averageiqineuropebycountrymap/ 3/6
studies:
Tobeabletobettercomparethemaps,youcanseethedifferenceinthefollowingpicture:
5/22/2015 AverageIQinEuropebycountry(map)
http://jakubmarian.com/averageiqineuropebycountrymap/ 4/6
Theoriginal[outdated!]map:Rindermann(2007)
Note:Sincethemapsabovearebasedonmorerecentdata,themapshownhereshouldbeconsideredoutdated.Themapisbasedonstatisticaldatacontainedinthe2007paperThegFactorofInternationalCognitiveAbilityComparisonsbyH.Rindermann.RindermannusedavailableIQmeasurementsandotheravailabletestingdatainvariouscountries,normalizedthedatausingthesocalledGreenwichIQ,i.e.settingUK=100,andthenappliedcertainadjustmentstoestimatetheaverageIQofthewholepopulation.
UPDATEforCroatia:Aswaspointedoutbyoneofmyreaders,althoughRindermannuseddataonCroatiafromarelativelyrecentpaper,thepaperinturnuseddataseveraldecadesold,whichIwasntawareofwhilecreatingthemap.ThecaptionforCroatiahasbeenchangedtoN/Aasthereisnouptodatedatasourceforitconsistentwiththerest.
Note:KosovoisunderstoodasapartofSerbiaandCrimeaasapartofUkraineforthepurposesofthesestatistics.Rindermannestimateddataforseveralcountries,whichwereoriginallyinthemapbutarenowsettoN/Abecausethemapaboveprovidesactualdata,sotheestimatesarenowworthless.
TheunderlyingblankmapisduetoTindoandlicensedfromfotolia.com.Ifyouwanttosharethe
5/22/2015 AverageIQinEuropebycountry(map)
http://jakubmarian.com/averageiqineuropebycountrymap/ 5/6
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