8 most difficult countries to gain citizenship

Switzerland

Switzerland is one of the most popular countries in the world, when it comes to citizenship. In recent years, the acquisition of swiss citizenship has become hard since tightening of rules.In general it takes 10 years of legal residence in Switzerland and also a permanent resident to become a swiss national.  Integration to swiss culture, language and tradition is crucial as the applications are evaluated in three levels (Federal, cantonal and municipal)Swss citizenship under simplified or facilitated possible if you have been married to a Swiss citizen for three years and lived in Switzerland for a total of five years.No restrictions on multiple citizenships in Switzerland.  The Swiss passport, one of the widely respected, powerful passport in the world. The passport is issued in Red color, contains 4 languages.