throughout adulthood

With high school graduation season behind us, it's time for America's new grads to start looking ahead to adulthood. 

The good news is that the real world won't happen all at once -- most grads will live at home or go off to college, and they can even stay on their parents' health insurance. 

But with grade school behind you, it is time to start making some real financial decisions... 

adulthood
大人（adult）であること、成人期

through adulthood
成人期を通して

throughout adulthood
成人期を通じて

young adulthood
青年期