How illegal workers get and use documentation

The National Immigration Forum surveyed several hundred Spanish speaking undocumented workers in late 2005, and released the results at the end of March. Some of the more interesting items involve the obtaining and use of several sources of documentation. Only a minority are paid in part or all by check, and only 39% of those have taxes deducted from their paychecks. Here are some interesting points:
Survey information: Survey was conducted in Miami, Los Angeles and Chicago; Country of birth: 60% Mexican, the most divided evenly between Central and South America, with a small number of Dominicans; Duration in U.S. less than a year: 3%; 1 – 5 year, 42%; 6- 10 years, 34%; over 10 years, 21%; 74% never go back to home country. 75% work full time.
Identification used:
Home country driver’s license: 57%
Consular ID: 57%
Home country passport: 48%
Other kinds of documents: 45%
U.S. driver’s license: 13%
Other: 3%
What kind of documents did you need to show to your employer?
None: 67%
Facsimile of Social Security Card: 28%
Consular ID: 5%
Would you be able to prove that you have worked in the U.S?
Yes: 64%
No: 36%
How are you paid:
Cash only: 52%
Check: 21%
Check and cash: 28%
If you are paid in check, is money deducted from your pay check for taxes?
Yes: 39%
No: 61%