Immigrants Admitted to the United States, 2000

This data collection contains information on the
characteristics of aliens who became legal permanent residents of the
United States in fiscal year 2000 (October 1999 through September
2000). Data are presented for two types of immigrants. The first
category, New Arrivals, arrived from outside the United States with
valid immigration visas issued by the United States Immigration and
Naturalization Service. The second category, Adjustments, were already
in the United States with temporary status and were adjusted to legal
permanent residence through petition to the United States Immigration
and Naturalization Service. Variables include port of entry, month and
year of admission, class of admission, and state and area to which the
immigrants were admitted. Demographic information such as age, sex,
marital status, occupation, country of birth, country of last
permanent residence, and nationality is also provided.

本数据集收录了2000财年（1999年10月至2000年9月）获得美国合法永久居民身份的外籍人士特征相关信息。数据集涵盖两类移民群体：第一类为新入境者（New Arrivals），指从美国境外入境且持有美国移民与归化局（United States Immigration and Naturalization Service）签发的有效移民签证的移民；第二类为身份调整者（Adjustments），即原本已以临时身份留居美国，并通过向美国移民与归化局提交申请，被调整为合法永久居民身份的移民。数据集包含的统计变量包括入境口岸、入境月份与年份、入境类别，以及移民获准定居的州与地区；同时还收录了年龄、性别、婚姻状况、职业、出生国家、上次永久居住国及国籍等人口统计信息。