Germany is the closest ally of Switzerland. Germany is the most important trading partner of Switzerland, and a one-third of Swiss imports are from Germany. Germany and Switzerland is a large investor to each other and Swiss and German companies employ a lot of people from each country. Also Switzerland is the most popular immigrant place for Germans, so German population of Switzerland’s foreign group is really big, and the number of Swiss people which live in Germany is almost 76,000. Furthermore, they share borders and languages. More than 44,000 of Germans across the border of Switzerland every day. d.