22 to 25 years old. According to the inquiry of war horse education, the age of college graduates is between 22 and 25. Because the university is a four-year undergraduate education, and most students enter the university after completing high school education at the age of 18. According to the four-year completion of undergraduate education, the age of college graduation is usually between 22 and 23. But in some cases, such as taking a double degree, dropping out of school, transferring, etc. It takes longer to complete undergraduate education, leading to a slightly older graduation age, which will not exceed 25 years old.