Also, young people cannot buy alcohol and cigarettes without it (to prove that they are adult) so some of them are motivated to get it as soon as possible.
Here is a Wikipedia link in case if someone didn't hear about "internal passports": https://en.wikipedia.org/wiki/Internal_passport
P.S. You must have a valid passport when you reach a certain age.
If you cannot make this assumption, then you are actively disenfranchising people.
You can achieve the same result by not requiring an id to vote.
As long as the process and cost is not punitive and targeted it's fine if something costs time and money. We have multiple constitutional rights that are burdened in that fashion. The right to petition the government, to have courts decide arguments, to own a gun, all cost time and money. (Not to mention that I have to have a photo ID and pass a criminal background check every time I buy a gun.)