Immigration in the United States is a complicated controversial issue. Since the founding of the country have come from different countries in search of better life and opportunities. Immigration laws, however, are changing and are complicated. This leads to many coming into the U.S. without proper legal status. some people call immigrants who come and stay the U.S. without the proper papers "illegals", many this term offensive. The more acceptable term is "" since they do not have the correct legal .

It is estimated that there are more than million undocumented people in the Unites States. While people will say there is no reason for to be undocumented in the U.S., there are on the amount of Green Cards, or legal resident cards, people from certain countries can get. are also long waiting lists, up to 14 in some cases, for people coming from certain , to apply for legal status in the U.S. there are a limited amount of visas, or , for people coming into the U.S. with manual skills. Millions of undocumented people have been deported, sent back to their country of origin under Obama.

In 2013, the U.S. Senate passed an reform bill. The law adds extra border security the U.S.-Mexico border, and also makes it easier immigrants to become citizens. The bill, which also to be approved by the House of Representatives, not yet been presented or voted on by . Because of this, many are asking President Obama take action to protect some of the undocumented, of whom have been in the U.S. for years and have children that are U.S. citizens.