you have to be 18.
16
You must be at least 16 years old to apply for a passport without parental consent.
All non-genital piercings have a legal age of sixteen in the UK, although you can be pierced from any age with parental consent. Genital piercings require you to be 18, however, regardless of parental consent.
I believe that it is the same anywhere in the US. 16 with parent/guarding consent, 18 without it. That goes for any piercings, except ear lobes which can be done with a gun (the only piercing that is done with a gun). But you'll still need parental consent.
No, a 16-year-old cannot obtain a passport without parental consent.
No, a 17-year-old cannot obtain a passport without parental consent.
In the U.S. if you have parental consent you can get any piercing except genital piercings.
You'll be able to move out without parental consent in Nebraska when you are 19 years old.
21 without parental consent and 18 with parental consent.
18 without parental consent, from there it varies (sometimes by city) as to how old with parental consent.
No. In Colorado you have to be 18 to get married without parental consent.
Yes, in the United States, an 18-year-old can obtain a passport without parental consent.