B20005C. Sex By Work Experience in the Past 12 Months By Earnings in the Past 12 Months (In 2007 Inflation-Adjusted Dollars) For the Population 16 Years and Over (American Indian and Alaska Native Alone) [95] - American Community Survey Tables: 2005 -- 2007 (3-Year Estimates) (ACS07_3yr) - ACS 2007 (3-Year Estimates)

Data Dictionary:

ACS 2007 (3-Year Estimates)

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Survey: ACS 2007 (3-Year Estimates)

Data Source:

U.S. Census Bureau

Data set: American Community Survey Tables: 2005 -- 2007 (3-Year Estimates) (ACS07_3yr)

Table:

B20005C. Sex By Work Experience in the Past 12 Months By Earnings in the Past 12 Months (In 2007 Inflation-Adjusted Dollars) For the Population 16 Years and Over (American Indian and Alaska Native Alone) [95]

Universe: Universe: American Indian and Alaska Native alone population 16 years and Over

Table Details

B20005C.

Sex By Work Experience in the Past 12 Months By Earnings in the Past 12 Months (In 2007 Inflation-Adjusted Dollars) For the Population 16 Years and Over (American Indian and Alaska Native Alone)

Universe: Universe: American Indian and Alaska Native alone population 16 years and Over

Variable	Label
B20005C001	Total
B20005C002	Male
B20005C003	Worked full-time, year-round in the past 12 months
B20005C004	No earnings
B20005C005	With earnings
B20005C006	$1 to $2,499 or loss
B20005C007	$2,500 to $4,999
B20005C008	$5,000 to $7,499
B20005C009	$7,500 to $9,999
B20005C010	$10,000 to $12,499
B20005C011	$12,500 to $14,999
B20005C012	$15,000 to $17,499
B20005C013	$17,500 to $19,999
B20005C014	$20,000 to $22,499
B20005C015	$22,500 to $24,999
B20005C016	$25,000 to $29,999
B20005C017	$30,000 to $34,999
B20005C018	$35,000 to $39,999
B20005C019	$40,000 to $44,999
B20005C020	$45,000 to $49,999
B20005C021	$50,000 to $54,999
B20005C022	$55,000 to $64,999
B20005C023	$65,000 to $74,999
B20005C024	$75,000 to $99,999
B20005C025	$100,000 or More
B20005C026	Other
B20005C027	No earnings
B20005C028	With earnings
B20005C029	$1 to $2,499 or loss
B20005C030	$2,500 to $4,999
B20005C031	$5,000 to $7,499
B20005C032	$7,500 to $9,999
B20005C033	$10,000 to $12,499
B20005C034	$12,500 to $14,999
B20005C035	$15,000 to $17,499
B20005C036	$17,500 to $19,999
B20005C037	$20,000 to $22,499
B20005C038	$22,500 to $24,999
B20005C039	$25,000 to $29,999
B20005C040	$30,000 to $34,999
B20005C041	$35,000 to $39,999
B20005C042	$40,000 to $44,999
B20005C043	$45,000 to $49,999
B20005C044	$50,000 to $54,999
B20005C045	$55,000 to $64,999
B20005C046	$65,000 to $74,999
B20005C047	$75,000 to $99,999
B20005C048	$100,000 or More
B20005C049	Female
B20005C050	Worked full-time, year-round in the past 12 months
B20005C051	No earnings
B20005C052	With earnings
B20005C053	$1 to $2,499 or loss
B20005C054	$2,500 to $4,999
B20005C055	$5,000 to $7,499
B20005C056	$7,500 to $9,999
B20005C057	$10,000 to $12,499
B20005C058	$12,500 to $14,999
B20005C059	$15,000 to $17,499
B20005C060	$17,500 to $19,999
B20005C061	$20,000 to $22,499
B20005C062	$22,500 to $24,999
B20005C063	$25,000 to $29,999
B20005C064	$30,000 to $34,999
B20005C065	$35,000 to $39,999
B20005C066	$40,000 to $44,999
B20005C067	$45,000 to $49,999
B20005C068	$50,000 to $54,999
B20005C069	$55,000 to $64,999
B20005C070	$65,000 to $74,999
B20005C071	$75,000 to $99,999
B20005C072	$100,000 or More
B20005C073	Other
B20005C074	No earnings
B20005C075	With earnings
B20005C076	$1 to $2,499 or loss
B20005C077	$2,500 to $4,999
B20005C078	$5,000 to $7,499
B20005C079	$7,500 to $9,999
B20005C080	$10,000 to $12,499
B20005C081	$12,500 to $14,999
B20005C082	$15,000 to $17,499
B20005C083	$17,500 to $19,999
B20005C084	$20,000 to $22,499
B20005C085	$22,500 to $24,999
B20005C086	$25,000 to $29,999
B20005C087	$30,000 to $34,999
B20005C088	$35,000 to $39,999
B20005C089	$40,000 to $44,999
B20005C090	$45,000 to $49,999
B20005C091	$50,000 to $54,999
B20005C092	$55,000 to $64,999
B20005C093	$65,000 to $74,999
B20005C094	$75,000 to $99,999
B20005C095	$100,000 or More

Relevant Documentation:

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Sex

Sex

The data on sex were derived from answers to Question 1. Individuals were asked to mark either "male" or "female" to indicate their sex. For most cases in which sex was not reported, the appropriate entry was determined from the person's given (i.e., first) name and household relationship. Otherwise, sex was imputed according to the relationship to the householder and the age of the person.

Sex Ratio

The sex ratio represents the balance between the male and female populations. Ratios above 100 indicate a larger male population, and ratios below 100 indicate a larger female population. This measure is derived by dividing the total number of males by the total number of females and then multiplying by 100. It is rounded to the nearest tenth.

Limitation of the data

Beginning in 2006, the population in group quarters (GQ) is included in the ACS. Some types of GQ populations have sex distributions that are very different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the sex distribution. This is particularly true for areas with a substantial GQ population.
The Census Bureau tested the changes introduced to the 2007 version of the sex question in the 2007 ACS Grid-Sequential Test (http://www.census.gov/acs/www/Downloads/ACS-MP-09_Grid-Sequential_Test_Final_Report.pdf). The results of this testing show that the changes may introduce an inconsistency in the data produced for this question as observed from the years 2006 to 2007

Question/Concept History

The sex question has remained the same.

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Work Experience

Work Experience

The data on work experience were derived from answers to Questions 32, 33, and 34. This term relates to work status in the past 12 months, weeks worked in the past 12 months, and usual hours worked per week worked in the past 12 months.

Work Status in the Past 12 Months

The data on work status in the past 12 months were derived from answers to Question 32. People 16 years old and over who worked 1 or more weeks according to the criteria described below are classified as "Worked in the past 12 months." All other people 16 years old and over are classified as "Did not work in the past 12 months."

Weeks Worked in the Past 12 Months

The data on weeks worked in the past 12 months were derived from responses to Question 33, which was asked of people 16 years old and over who indicated that they worked during the past 12 months.
The data pertain to the number of weeks during the past 12 months in which a person did any work for pay or profit ( including paid vacation and paid sick leave) or worked without pay on a family farm or in a family business. Weeks of active service in the Armed Forces are also included.

Aggregate Weeks Worked in the Past 12 Months

Aggregate weeks worked is the sum of the values for weeks worked in the past 12 months of all the people in a particular universe. (For more information, see "Aggregate" under " Derived Measures .")

Mean Weeks Worked in the Past 12 Months

Mean weeks worked is the number obtained by dividing the aggregate number of weeks worked for a particular universe by the number of people in that universe. For example, mean weeks worked for workers 16 to 64 years old is obtained by dividing the aggregate weeks worked for workers 16 to 64 years old by the total number of workers 16 to 64 years old. Mean weeks worked values are rounded to the nearest one-tenth of a week. (For more information, see "Mean" under " Derived Measures .")

Usual Hours Worked Per Week Worked in the Past 12 Months

The data on usual hours worked per week worked in the past 12 months were derived from answers to Question 34. This question was asked of people 16 years old and over who indicated that they worked during the past 12 months. The data pertain to the number of hours a person usually worked during the weeks worked in the past 12 months. The respondent was to report the number of hours worked per week in the majority of the weeks he or she worked in the past 12 months. If the hours worked per week varied considerably during the past 12 months, the respondent was to report an approximate average of the hours worked per week.
People 16 years old and over who reported that they usually worked 35 or more hours each week during the weeks they worked are classified as "Usually worked full time;" people who reported that they usually worked 1 to 34 hours are classified as "Usually worked part time."

Aggregate Usual Hours Worked Per Week in the Past 12 Months

Aggregate usual hours worked is the sum of the values for usual hours worked each week of all the people in a particular universe. (For more information, see "Aggregate" under "Derived Measures.")

Mean Usual Hours Worked Per Week in the Past 12 Months

Mean usual hours worked is the number obtained by dividing the aggregate number of hours worked each week of a particular universe by the number of people in that universe. For example, mean usual hours worked for workers 16 to 64 years old is obtained by dividing the aggregate usual hours worked each week for workers 16 to 64 years old by the total number of workers 16 to 64 years old. Mean usual hours worked values are rounded to the nearest one-tenth of an hour. (For more information, see "Mean" under "Derived Measures.")

Full-Time, Year-Round Workers

All people 16 years old and over who usually worked 35 hours or more per week for 50 to 52 weeks in the past 12 months.

Number of Workers in Family in the Past 12 Months

The term "worker" as used for these data is defined based on the criteria for work status in the past 12 months.

Limitation of the Data

It is probable that the number of people who worked in the past 12 months and the number of weeks worked are understated since there is some tendency for respondents to forget intermittent or short periods of employment or to exclude weeks worked without pay. There may also be a tendency for people not to include weeks of paid vacation among their weeks worked; one result may be that the American Community Survey figures understate the number of people who worked "50 to 52 weeks."
The American Community Survey data refer to the 12 months preceding the date of interview. Since not all people in the American Community Survey were interviewed at the same time, the reference period for the American Community Survey data is neither fixed nor uniform.
Beginning in 2006, the population in group quarters (GQ) is included in the ACS. Some types of GQ populations may have work experience distributions that are different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the work experience distribution. This is particularly true for areas with a substantial GQ population.

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Income in the Past 12 Months -> Earnings

Earnings

Earnings are defined as the sum of wage or salary income and net income from self-employment. Earnings represent the amount of income received regularly for people 16 years old and over before deductions for personal income taxes, Social Security, bond purchases, union dues, Medicare deductions, etc. An individual with earnings is one who has either wage/salary income or self-employment income, or both. Respondents who "break even" in self-employment income and therefore have zero self-employment earnings also are considered "individuals with earnings."

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Income in the Past 12 Months -> Adjusting Income for Inflation

Adjusting Income for Inflation

Income components were reported for the 12 months preceding the interview month. Monthly Consumer Price Indices (CPI) factors were used to inflation-adjust these components to a reference calendar year (January through December). For example, a household interviewed in March 2007 reports their income for March 2007 through February 2007. Their income is adjusted to the 2007 reference calendar year by multiplying their reported income by 2007 average annual CPI (January-December 2007) and then dividing by the average CPI for March 2006-February2007.
In order to inflate income amounts from previous years, the dollar values on individual records are inflated to the latest years dollar values by multiplying by a factor equal to the average annual CPI-U-RS factor for the current year, divided by the average annual CPI-U-RS factor for the earlier/earliest year.

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Age

Age

The data on age were derived from answers to Question 2. The age classification is based on the age of the person in complete years at the time of interview. Both age and date of birth are used in combination to calculate the most accurate age at the time of the interview. Inconsistently reported and missing values are assigned or imputed based on the values of other variables for that person, from other people in the household, or from people in other households ("hot deck" imputation). Data on age are used to determine the applicability of other questions for a particular individual and to classify other characteristics in tabulations. Age data are needed to interpret most social and economic characteristics used to plan and analyze programs and policies. Therefore, age data are tabulated by many different age groupings, such as 5-year age groups.

Median Age

The median age is the age that divides the population into two equal-size groups. Half of the population is older than the median age and half is younger. Median age is based on a standard distribution of the population by single years of age and is shown to the nearest tenth of a year. (See the sections on "Standard Distributions" and "Medians" under "Derived Measures.")

Age Dependency Ratio

The age dependency ratio is derived by dividing the combined under-18 and 65-and-over populations by the 18-to-64 population and multiplying by 100.

Old-Age Dependency Ratio

The old-age dependency ratio is derived by dividing the population 65 years and over by the 18-to-64 population and multiplying by 100.

Child Dependency Ratio

The child dependency ratio is derived by dividing the population under 18 years by the 18-to-64 population, and multiplying by 100.

Limitation of the Data

Caution should be taken when comparing population in age groups across time. The entire population continually ages into older age groups over time and babies fill in the youngest age group. Therefore, the population of a certain age is made up of a completely different group of people in 2000 and 2007. Since populations occasionally experience booms/increases and busts/decreases in births, deaths, or migration (for example, the postwar Baby Boom from 1946-1964), one should not necessarily expect that the population in an age group in Census 2000 should be similar in size or proportion to the population in the same age group in the 2007 ACS. For example, Baby Boomers were age 36 to 54 in Census 2000 while they were age 44 to 62 in the 2007 ACS. Therefore, the age group 55 to 59 would show a considerable increase in population when comparing Census 2000 data with the 2007 ACS data.
Beginning in 2006, the population in group quarters (GQ) is included in the ACS. Some types of GQ populations have age distributions that are very different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the age distribution. This is particularly true for areas with a substantial GQ population.

Question/Concept History

The 1996-2002 American Community Survey question asked for month, day, and year of birth before age. Since 2003, the American Community Survey question asked for age, followed by month, day, and year of birth. In 2007, an additional instruction was provided with the age and date of birth question on the American Community Survey questionnaire to report babies as age 0 when the child was less than 1 year old. The addition of this instruction occurred after 2005 National Census Test results indicated increased accuracy of age reporting for babies less than one year old.

Excerpt from:	Social Explorer; U.S. Census Bureau; 2005-2007 American Community Survey 3-Year Summary File: Technical Documentation.
	ACS 2007-3yr Summary File: Technical Documentation -> Appendix B. Subject Definitions -> Population Variables -> Race -> American Indian or Alaska Native

American Indian or Alaska Native

A person having origins in any of the original peoples of North and South America (including Central America) and who maintain tribal affiliation or community attachment. It includes people who classified themselves as described below.
American Indian -This category includes people who indicate their race as "American Indian," entered the name of an Indian tribe, or reported such entries as Canadian Indian, French American Indian, or Spanish American Indian.
American Indian Tribe -Respondents who identified themselves as American Indian were asked to report their enrolled or principal tribe. Therefore, tribal data in tabulations reflect the written entries reported on the questionnaires. Some of the entries (for example, Iroquois, Sioux, Colorado River, and Flathead) represent nations or reservations. The information on tribe is based on self-identification and therefore does not reflect any designation of a federally- or state-recognized tribe. The information for the American Community Survey is derived from the American Indian Tribal Classification List for the 1990 census that was updated for Census 2000 and the ACS based on a December 1997Federal Register Notice entitled "Indian Entities Recognized and Eligible to Receive Service From the United States Bureau of Indian Affairs," Department of the Interior, Bureau of Indian Affairs, issued by the Office of Management and Budget.
Alaska Native - This category includes written responses of Eskimos, Aleuts, and Alaska Indians as well as entries such as Arctic Slope, Inupiat, Yupik, Alutiiq, Egegik, and Pribilovian. The Alaska tribes are the Alaskan Athabascan, Tlingit, and Haida. The information for ACS is based on the American Indian Tribal Classification List for the 1990 census and Census 2000, which was expanded to list the individual Alaska Native Villages when provided as a written response for race.