Besides the obvious economic strengths of German speaking countries such as the Federal Republic of German, German is a key language for careers in the United States and abroad.
1. A higher salary
Knowledge of German gives you an average salary boost: 4% average income boost over a 2% income boost for knowledge of Spanish (Source
2. Increasing investment opportunities
German foreign direct investment is very high, having increased six fold since 1990 (Source-PDF
Germany is a significant trading partner with the US
4. Direct investment
In cities like Pittsburgh, German Foreign Direct Investment tops all other nations (Source-PDF