Originally Posted by knk9
i got my son his first when he was 1 when is the next time i need to do it
US Passports for under 16 (or 17, don't remember exactly) are good for 5 years.
There should be an expiration date on it, regardless of where it's from.
We recently renewed our 5 yr-old's passport. She didn't look much like her 6-week-old picture anymore.