Thanks Jackolantern for the link.
I have one more question. The 5 pychisical presence is after you get the citizenship/greebcard or the time you spent in USA before getting citizenship or green card??
Thanks..
Birth Abroad to One Citizen and One Alien Parent in Wedlock: A child born abroad to one U.S. citizen parent and one alien parent acquires U.S. citizenship at birth under Section 301(g) INA provided the citizen parent was physically present in the U.S. for the time period required by the law applicable at the time of the child's birth. (For birth on or after November 14, 1986, a period of five years physical presence, two after the age of fourteen is required.