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www.statista.com/statistics/270861/life-expectancy-by-continent/ + https://statbel.fgov.be/nl/themas/bevolking/sterfte-en-levensverwachting/sterftetafels-en-levensverwachting
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www.knack.be/nieuws/wereld/1-op-3-wereldbewoners-heeft-geen-schoon-drinkwater/article-news-1478649.html
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https://healthpowerhouse.com/media/EHCI-2018/EHCI-2018-index-matrix-A3-sheet.pdf
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https://www.vacature.com/nl-be/carriere/salaris/belgen-zijn-zesde-beste-verdieners-ter-wereld + http://worldpopulationreview.com/countries/median-income-by-country/ + https://www.bbc.com/news/magazine-17512040
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https://weekend.knack.be/lifestyle/reizen/belgisch-paspoort-geeft-visumvrij-toegang-tot-184-landen/article-normal-1414679.html
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https://www.gfmag.com/global-data/non-economic-data/worlds-safest-countries-2019
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https://journalist.be/2018/04/belgie-7de-op-wereldranglijst-persvrijheid + https://www.usnews.com/news/best-countries/articles/the-10-countries-that-care-the-most-about-human-rights-according-to-perception