You can get kind-of close with driver's license numbers. They will change when US citizens move among states, (and we do that quite frequently.) (People who do

You can get kind-of close with driver's license numbers. They will change when US citizens move among states, (and we do that quite frequently.) (People who don't drive have to get state-issued IDs that have the same number. At least, they have to if they want to buy do anything that requires proof of identification.)