Being the owner of a driving licence has become a dream for the majority of young, middle-aged or even elderly people throughout the world.

throughout 由 through（贯穿）和 out（向外）组成，意思是"遍及、贯穿整个范围"，强调覆盖某个区域的全部范围。在句中表示"遍及全世界"的意思。