What is the success rate of single girls traveling to Switzerland and Germany?

Looking at the age of girls, if they are young and single, there is a high probability of being rejected. On the one hand, their financial ability is that it is difficult to sign individual tourist visas, especially for women who are young and single. You know the reason, even if you go to study abroad, it is not easy to sign. If you get married, it is easy to sign. Foreign countries don't mind getting married, but care more about being single. It is not enough for women to protect themselves when traveling alone. It is recommended to be accompanied by family or friends.