Form N-400 filing fee is $595.Additionally $85 biometric fee and totals to $680, where applicable. No fee is required for military applicants filing under Section 328 and 329 of the INA. Applicants 75 years of age or older are not charged a biometric fee.
The forms can be obtained free of charge but you need to pay processing fees to USCIS.
The total fees for a US passport are $135. There may be additional costs as well (for example, passport photos and document fees for getting proof of citizenship).
If you apply for citizenship in another country your US citizenship is automatically revoked. The US does not recognize dual citizenship. You revoke it in writing at a US embassy, outside the US.
Yes, The residents of US territories have US citizenship
The US recognizes dual citizenship.
No. The US president MUST have US citizenship only.
If you are born in the US you obtain US citizenship by birth. Another way to obtain citizenship is through the naturalization process by applying for US citizenship using Form N-400 if you are eligible.
Yes, it is possible to lose your US citizenship if you voluntarily renounce it, commit certain acts of treason or fraud, or obtain citizenship in another country with the intention of relinquishing your US citizenship.
Yes dual citizenship is allowed for US citizens.
Yes you can, as long as you are over 18. The IR-5 visa is for parents of a US citizen. Contact your local US Citizenship and Immigration Services (CIS) office to find out what paperwork and fees will apply.
Mark Zuckerberg did not renounce his US citizenship. He did, however, give up his US citizenship while acquiring citizenship in other countries to avoid double taxation on his assets.
US citizenship can only be renounced in writing at a US embassy (i.e. outside the U.S.). Be sure you have citizenship in another country before doing this.