Immigrants - refugees+definitions
U.S. law makes and important legal and programmatic distinction between immigrants and refugees.
Family sponsors: A U.S. citizen can sponsor his or her spouse, parent (if the sponsor is over 21), children, and brothers or sisters. An LPR can sponsor his or her spouse, minor children, and adult unmarried children. All sponsors are required by law to have an income at least 125 percent of the federal poverty level and sign a legally enforceable affidavit to support his or her family member so that they do not become public charges.
U.S. law prohibits immigrants from being "public charges" http://www.cbpp.org/1-7-00imm.htm so they are not eligible for welfare, food stamps, Medicaid, SSI, etc. for 10 years after arriving in the U.S.
Family based immigration in the U.S. is limited to 480,000 persons per year.
Employer sponsors: A U.S. employer can sponsor a foreign-born employee for permanent residence but generally the employer must demonstrate to the Department of Labor that there is no qualified U.S. worker available for the job.
Employment based immigration in the U.S. is limited to 140,000 persons per year.
Dicennial censuses collect information on foreign born in the U.S., but data is not necessarily reliable. Applications for visas are submitted at U.S. consulates in foreign countries, and although the INS keeps data on the number of applicants and visas issued, it does not track where in the U.S. immigrants locate. There are very few services available to immigrants, because they are assumed to be the responsibility of the sponsor.
U.S. Citizenship and Immigration Services (formerly INS) is now a bureau of the U.S. Department of Homeland Security http://www.uscis.gov/graphics/index.htm
Office of Immigration Statistics of the U.S. Department of Homeland Security http://www.uscis.gov/graphics/shared/statistics/index.htm
The number of refugees accepted in the U.S. varies from year to year, determined by the President in consultation with the Congress. The total number is divided among different regions of the world. In FY 2000, the regional ceilings were: Africa 18,000 Southeast Asia 8,000 Europe 47,000 Latin America 3,000 Near East 8,000 Unallocated 6,000
Both refugees and asylees may apply for permanent resident status after one year in the U.S. There is no limit on the number of refugees that can become legal permanent residents each year.
There is good data on the number of refugees who have arrived
in Oregon directly from a foreign country. (The data on those who
relocate to Oregon after entering the U.S. in another state -- "secondary" migrants -- is much less reliable.)

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