The Pew Hispanic Center says more than half of Mexican immigrants are undocumented.

VOA: special.2009.04.18

And so my individual paper and my presentation was more on public universities and how they should respond to undocumented immigrants, and specifically whether they should offer them in-state tuition.

所以我的论文和报告,主要谈论的就是公立大学,如何对待那些无记录的移民，尤其是，他们是否,能够只付州内学费。

普林斯顿公开课 - 人性课程节选

An estimated eleven million are undocumented.

VOA: special.2010.07.03

(SAYING) Yulmi says many work 15-16 hours a day, holding two jobs and are underpaid because they are undocumented.

VOA: standard.2010.03.21

But Immigration reform advocates maintain a legal path to citizenship for undocumented workers will help boost the U.S.economy.

VOA: standard.2010.04.12

Although estimates vary widely, perhaps some 12 million undocumented immigrants live in the United States.

VOA: standard.2009.09.01

"If you granted amnesty to 11 million undocumented workers you are flooding the market with the potential of those folks competing for jobs with Americans.

VOA: standard.2010.04.12

"SB 1070 will blow the door open to increased racial profiling wrongful arrests and other discrimination against anyone who police reasonably suspect may be undocumented."

VOA: standard.2010.05.08

For years, Mexico has urged Washington to address the status of more than 12 million undocumented workers in the United States, more than half of whom are Mexican.

VOA: standard.2009.04.17

They said it would encourage racial profiling by allowing local police to demand to see the immigration papers of anyone whom they suspect of being an undocumented immigrant.

VOA: standard.2010.04.28

Latinos in particular fear that they will be racially targeted by police on the basis of their appearance, and said it will make undocumented immigrants reluctant to report crimes or cooperate in police investigations.

VOA: standard.2010.04.28

After a few hours at the safe house and after having spoken with a social worker, Liseth says she is worried about the dangers that await in Mexico, where Central Americans, who can legally travel to other Central American countries, become undocumented migrants.

VOA: standard.2009.09.01