If you speak another language, you could earn a degree in another country, which could end up being a less expensive way to get a college education. If nothing else, it at least enables you to better enjoy studying abroad and to learn more than you would if you only spoke English.
The same is true when it comes to the news media. Those who only speak English cannot directly access news and perspectives in parts of the world where other languages are predominant.people in the US speak a language other than English at home, those who only speak English miss out on being able to directly communicate in the mother tongue of many friends and neighbors.
Speaking another language also opens up opportunities to do business and work in other parts of the world. Overall, does not speak English. Those who only speak English may also be limited and less inclined to collaborate with others around the world to address global issues.