Data Dictionary: ACS 2007 -- 2009 (3-Year Estimates)
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Data Source: U.S. Census Bureau
Table: C06010PR. Place Of Birth By Individual Income In The Past 12 Months (In 2009 Inflation-Adjusted Dollars) In Puerto Rico [47]
Universe: Population 15 years and over in Puerto Rico
Table Details
C06010PR. Place Of Birth By Individual Income In The Past 12 Months (In 2009 Inflation-Adjusted Dollars) In Puerto Rico
Universe: Population 15 years and over in Puerto Rico
Variable Label
C06010PR001
C06010PR002
C06010PR003
C06010PR004
C06010PR005
C06010PR006
C06010PR007
C06010PR008
C06010PR009
C06010PR010
C06010PR011
C06010PR012
C06010PR013
C06010PR014
C06010PR015
C06010PR016
C06010PR017
C06010PR018
C06010PR019
C06010PR020
C06010PR021
C06010PR022
C06010PR023
C06010PR024
C06010PR025
C06010PR026
C06010PR027
C06010PR028
C06010PR029
C06010PR030
C06010PR031
C06010PR032
C06010PR033
C06010PR034
C06010PR035
C06010PR036
C06010PR037
C06010PR038
C06010PR039
C06010PR040
C06010PR041
C06010PR042
C06010PR043
C06010PR044
C06010PR045
C06010PR046
C06010PR047
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
 
Place of Birth
The data on place of birth were derived from answers to Question 7. Respondents were asked to select one of two categories: (1) in the United States, or (2) outside the United States. In the American Community Survey, respondents selecting category (1) were then asked to report the name of the state while respondents selecting category (2) were then asked to report the name of the foreign country, or Puerto Rico, Guam, etc. In the Puerto Rico Community Survey, respondents selecting category (1) were also asked to report the name of the state, while respondents selecting category (2) were then asked to print Puerto Rico or the name of the foreign country, or U.S. Virgin Islands, Guam, etc. People not reporting a place of birth were assigned the state or country of birth of another family member, or were allocated the response of another individual with similar characteristics. People born outside the United States were asked to report their place of birth according to current international boundaries. Since numerous changes in boundaries of foreign countries have occurred in the last century, some people may have reported their place of birth in terms of boundaries that existed at the time of their birth or emigration, or in accordance with their own national preference.

The place of birth questions along with the citizenship status question provide essential data for setting and evaluating immigration policies and laws. Knowing the characterisitcs of immigrants helps legislators and others understand how different immigrant groups are assimilated. Federal agencies require these data to develop programs for refugees and other foreign-born individuals. Vital information on lifetime migration among states also comes from the place of birth question.

Nativity
Information on place of birth and citizenship status was used to classify the population into two major categories: native and foreign born.

Native
The native population includes anyone who was a U.S. citizen at birth. The native population includes those born in the United States, Puerto Rico, American Samoa, Guam, the Northern Marianas, or the U.S. Virgin Islands, as well as those born abroad of at least one U.S. citizen parent. The native population is divided into the following groups: people born in the state in which they resided at the time of the survey; people born in a different state, by region; people born in Puerto Rico or one of the U.S. Island Areas; and people born abroad with at least one U.S. citizen parent. (See also "Citizenship Status.")

Foreign Born
The foreign-born population includes anyone who was not a U.S. citizen at birth. This includes respondents who indicated they were a U.S. citizen by naturalization or not a U.S. citizen. (See also Citizenship Status.) The foreign-born population is shown by selected area, country, or region of birth. The places of birth shown in data products were chosen based on the number of respondents who reported that area or country of birth.

Question/Concept History
The 1996-1998 American Community Survey question asked respondents to write in the U.S. state, territory, commonwealth or foreign country where this person was born. Beginning in 1999, the question asked "Where was this person born?" and provided two check-boxes, each with a write-in space.

Limitation of the Data
Beginning in 2006, the group quarters (GQ) population is included in the ACS. Some types of GQ populations may have place of birth distributions that are different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the place of birth distribution. This is particularly true for areas with a substantial GQ population.

Comparability
This data source is comparable to the decennial censuses. See the 2009 Code List for Place of Birth Code List.

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007-2009 Summary File: Technical Documentation.
 
Income of Individuals
Income for individuals is obtained by summing the eight types of income for each person 15 years old and over. The characteristics of individuals are based on the time of interview even though the amounts are for the past 12 months.