Whatever plans you may have for the future, knowledge of German will increase your options. When you learn German you acquire a range of skills which can improve the quality of both your work and private life.
German is the third most taught foreign language in the English speaking world after French and Spanish. So you will stand out from those who learn French and Spanish and yet know a well sought after foreign language.
German is second most widely spoken single language of Europe after Russian and ahead of English and French, especially in Central and Eastern Europe. It is the National Language of Germany, Switzerland, Austria and Liechtenstein. In addition it has official status with sizeable German speaking or knowing population in Luxembourg, and Belgium. Some provinces in Denmark, North Italy, Hungary, Romania, Czech Republic, Poland and Russia have German speaking population.
Travel: For travel and tourism, knowledge of German will keep you comfortable in most of Europe. Most of tourist places in Europe are in German Speaking countries like Switzerland and Germany.
Business and Job: The German economy is strongest in the world and German firms most professional and rewarding of all. Knowledge of German will add to your professional competency. In your own country knowledge of German can help you in getting job to handle widely travelling German tourists and in German firms.
German firms: In business knowing the language of your business partners improves your relations and therefore your chances for effective communication and success.
Culture and Literature: Knowledge of German helps you to understand the rich culture and life style of people of German speaking countries. Germany has been home to world famous artists and authors like Kafka, Hermann Hesse, Brecht, Günter Grass, Mozart and Beethoven. Max Müller has done extensive research on Sanskrit language and Indian Religions.
German Friends and Interests: You can also learn German to interact with your German speaking friends (Facebook friends or otherwise) and in cultivating other interests, either in full or the very basic German to greet and compliment your friends.
Students: Many schools are offering German as subject. So are colleges and universities offering honours and post graduate courses, which are a better alternative to English and regional language courses.