The Impact of Counting Changes on Nonimmigrant Admissions: An Update
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This report provides an update on trends in I-94 non-immigrant admissions and the estimated number of individual nonimmigrants admitted to the United States. In 2005, the Department of Homeland Security (DHS) began an effort to record all land admissions of an I-94 nonimmigrant; previously, only the initial admission was typically recorded. This process was completed at nearly all pedestrian crossings and vehicular lanes along the Southwest and Northern borders by March 2010. Increases in admissions after 2005 as reported by OIS are partly due to the counting changes. To facilitate the interpretation of trends during this period, the number of individuals admitted each year, which are largely independent of counting changes, are compared to admissions. Estimates of individuals were created by matching admission records on birth date, last name, and first three characters of the first name. For comparison, estimates of overall expected admission levels absent counting changes were computed for 2006 to 2011.