Your little brother is about to graduate from high school. he has no interest in furthering his education. you are trying to let him know that it is crucial that he has some form of tertiary education. why is tertiary education so important?

   Due to the increasing offer of more demanding jobs that again require additional education

Explanation:  The job offer has become very diverse and in addition, the offer includes more and more complex, technologically demanding jobs. This means that it has moved from simple manufacturing jobs to more modern ones such as information technology, various services related jobs, and all these jobs require additional, so-called tertiary education. Tertiary education includes every education after high school, such as colleges, universities, specialized courses, etc.