The boom in the U.S. economy at the end of 1990s increased flow by 35 percent, but that peak was rather short-lived.

293

We've seen a fairly steady growth in the number of undocumented immigrants living here, and this data shows very sizable numbers coming in.

217

The security has done more to keep people from going back to Mexico than it has to keep them from coming in.

146

It's been very hard to find any effect from border security.

123

There was a huge expansion in the jobs that the undocumented did.

99

This is only people physically coming in, arrivals into the country for the first time.

92

Even moderately high levels of fertility translate into large numbers of births.

90

Texas is a special case. The number of both legal and illegal immigrants has grown faster in Texas than in other major states.

89

Especially if we look at the Mexicans, these are people with fairly low levels of formal education. They're not able to get licensing or credentials in the United States because of their status, so the kinds of jobs available to them in the United States are somewhat limited.

87