
https://www.economiesuisse.ch/de/artikel/die-praemien-sind-zu-35-prozent-einkommensabhaengig

https://docs.prosperity.com/2916/0568/0539/The_Legatum_Prosperity_Index_2020.pdf

https://uk.news.yahoo.com/maybe-maybe-not-pm-refuses-say-government-will-guarantee-2-5-pension-rise-oaps-131359663.html