Here are the current rates for routine passport services:
Ages 16 and over - $165
Kids under 16 - $135
Rates for passport cards:
Ages 16 and over - $65
Kids under 16 - $50
Passports issued to citizens aged 16 or over last for ten years! If you think about it, that brings the price of purchasing and using your US passport down to around $16 per year.