1. Language—Facts and Figureshttps://www.eda.admin.ch/aboutswitzerland/en/home/gesellschaft/sprachen/die-sprachen---fakten-und-zahlen.html
2. OECD Better Life Indexhttp://www.oecdbetterlifeindex.org/countries/switzerland/
3. Indicatorshttp://www.obsan.admin.ch/en/indicators
4. Revenus et Dépenses des Ménages Selon la Région Linguistique (Household Income and Expenditure per Linguistic Region Based on 2012–2014 Household Budget Survey)https://www.bfs.admin.ch/bfs/en/home/statistics/economic-social-situation-population/income-consumption-wealth/household-budget.assetdetail.1400471.html
5. Obesity and the Economics of Prevention: Fit not Fat. Key Facts—Switzerland, Update 2014https://www.oecd.org/switzerland/Obesity-Update-2014-SWITZERLAND.pdf