1、1966-1980Total 6.4 million1981-1995Total 12.6 millionPreference 64%Preference 35%Immed. Relatives 22%Refugees 11%Refugees 13%Other 5%Other 3%Legalization 22%Immed. Relatives 25%CRS analysis of INS data. Hansen, Kristin A., and Amara Bachu. The Foreign Born Population. Current Population1Reports P20-
2、186. U.S. Census Bureau, Aug. 1995. p. 2.Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS WebFigure 1. Legal Immigration by Categories97-230 EPWFebruary 12, 1997Immigration: Reasons for Growth, 1981-1995Joyce C. VialetSpecialist in Immigration Pol
3、icyEducation and Public Welfare DivisionSummaryLegal immigration to the United States has increased sharply in recent years, andshows no signs of slowing down. The question of why immigration has grown so rapidlyand the implications of this growth for the future are expected to be issues in the 105t
4、hCongress. Primarily because of legislation enacted in 1980 and 1986, the numericalrestrictions of the basic family and employment-based immigration preference systembecame less significant. The growth in legal immigration during the past 15 years camein three groups admitted outside these numerical
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