ASEC_Supporting StatementB_final

Supporting Statement B

U.S. Department of Commerce

U.S. Census Bureau

Annual Social and Economic Supplement

to the Current Population Survey

OMB Control No. 0607-0354

B. Collections of Information Employing Statistical Methods

1. Universe and Respondent Selection

The Basic CPS universe is 133 million households. From the universe of 133 million, we select a sample of approximately 70,000 households. Of these, approximately 59,000 households will be eligible for interview; and we will actually interview approximately 54,000 households, , since approximately 11,000 households are found to be vacant, converted to a business, destroyed, or other reasons. The expected yield of completed interviews is 44,000 households per month.

The ASEC sample expands upon the Basic CPS sample by adding select households. Approximately 6,000 Hispanic households interviewed in the previous November CPS will be added. We expect to interview approximately 5,000 of these households. Additionally, we will add approximately 11,000 minority and White (with children) households that were interviewed the previous August, September, or October. We expect to interview about 9,000 of these households. Finally, we will conduct the ASEC to selected minority and White (with children) households during February and April. These households will be “borrowed” from the February outgoing and the April incoming rotation groups. We expect to select approximately 12,000 such households, with about 10,000 actually being interviewed. This brings us to a total of approximately 78,000 households planned for interview in fiscal year 2025.

We use a household respondent to answer the supplement items for all household members 15 years of age or older. Table B-1 shows the total universe, sample size, expected response rate and the actual response rate from the most recent collection in 2024.

Table B.1: Universe, Sample Count, and Expected Response Rate

Type of Entity	Total Universe	Sample Size	Expected Response Rate	Actual Response Rate
Households	133,000,000	78,000	85.0 %	82.9 %

2. Survey Collection Procedures

This is a supplemental survey associated with the CPS. Attachment B gives an overview of the CPS sample, design, weighting methodology, and response rates. The statistical properties of these supplemental items will fall within those associated with the CPS itself.

3. Describe the methods used to maximize response rates and to deal with nonresponse. The accuracy and reliability of the information collected must be shown to be adequate for the intended uses. For collections based on sampling, a special justification must be provided if they will not yield "reliable" data that can be generalized to the universe studied.

Response rates and data accuracy for the CPS are maintained at high levels through computer edits, interviewer instruction and training, and close monitoring of the data. Refer to "Overview of CPS Design and Methodology," item 5, for a discussion of CPS nonresponse (Attachment B).

Some amount of allocation for item nonresponse is done within the ASEC supplement for eligible people. Item nonresponse rates range from less than 2 percent for the work experience items to more than 40 percent for some of the income items, such as interest and dividends. For the cases eligible for the 2024 ASEC, the basic CPS household-level nonresponse rate was 28.5 percent. The household-level nonresponse rate for the ASEC was an additional 17.1 percent. These two non-response rates lead to a combined supplement nonresponse rate of 40.7 percent.

4. Procedures or Methods Testing

There are currently no methodological or questionnaire tests in progress.

5. Individuals Responsible for Study Design and Performance

The following individuals may be contacted on the statistical, data collection, and analysis operations:

Statistical Collection Operations:

Kyra M. Linse

Survey Director, Current Population and American Time Use Surveys

Office of the Associate Director for Demographic Programs

U.S. Census Bureau

Washington, DC 20233-8400

(301) 763-9280

Survey Content:

Liana Fox

Assistant Division Chief, Economic Characteristics

Social, Economic, and Household Statistics Division

U.S. Census Bureau

Washington, DC 20233-8500

(301) 763-5133

List of Attachments:

A - ASEC Questionnaire

B - Overview of CPS Sample Design and Methodology

C - Source and Accuracy Statement

D-1 - CPS-263(MIS-1)(L), CPS Respondent Letter

D-2 - CPS-264(MIS-5)(L), CPS Respondent Letter

D-3 - CPS-266, Thank You card

E-1 - BC-1433 Factsheet (SP)

E-1 - BC-1433 Factsheet

E-2 - CPS-692, The Monthly Flow of CPS

E-3 - BC-1428, Confidentiality Brochure

E-3 - BC-1428, Confidentiality Brochure (SP)

F - Statutes Authorizing the Collection

G - SOGI Sign-On Comment

H - CPS-580(ASEC)(L), ASEC Respondent Letter

I - CPS-580(L)SP, ASEC Respondent Letter in Spanish

J - CPS-676, "Changing Situation" Pamphlet

K - CPS-676(SP), "Changing Situation" Pamphlet in Spanish

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