It is difficult to answer this question because it depends on many factors. For example, how much time you spend on learning a language, the level of the language you are trying to learn, and what your native language is.
There are many advantages to knowing a second language. The most obvious one is that you can communicate with people in their native language and learn about their culture and customs.
Learning a new language has been shown to benefit the brain in many ways. It helps improve cognitive abilities, such as memory and attention span. It also helps improve communication skills and creativity.
Knowing more than one language can be beneficial to your career. It can help you communicate with a wider audience and understand the culture of the country you are in.