ACS Updates on Disclosure Avoidance and Release Plans - ctpp-news

20 Aug 2020

Apologies if you have already seen this. According to my read Table 
B98001 (Unweighted Housing Unit Sample) will be published for nation, 
state, county and place in both the 1-year and 5-year ACS beginning with 
the 2019 ACS release, and I assume moving forward. What struck me was 
that there was no reference to the B98001 information ever being 
available for tracks or below ever again.

-------- Forwarded Message --------
Subject: 	Research Matters Blog: ACS Updates on Disclosure Avoidance and 
Release Plans
Date: 	Thu, 20 Aug 2020 12:20:48 -0500
From: 	U.S. Census Bureau &lt;census(a)subscriptions.census.gov&gt;
Reply-To: 	census(a)subscriptions.census.gov
To: 	edc(a)berwyned.com

Research Matters Blog: ACS Updates on Disclosure Avoidance and Release 
Plans
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  *ACS Updates on Disclosure Avoidance and Release Plans*

*RESEARCH MATTERS BLOG*

AUG. 20, 2020**

Written By: Dr. John M. Abowd, chief scientist and associate director 
for Research and Methodology, and Donna M. Daily, chief, American 
Community Survey Office

Despite changes and delays during this unprecedented time, we are happy 
to report that the U.S. Census Bureau is on track to release the 2019 
American Community Survey (ACS) 1-year estimates as scheduled Sept. 17, 
2020. Check out our website for the full data release schedule and other 
details 
<https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDEsInVyaSI6ImJwMjpjbGljayIsImJ1bGxldGluX2lkIjoiMjAyMDA4MjAuMjU5MDM3NDEiLCJ1cmwiOiJodHRwczovL3d3dy5jZW5zdXMuZ292L3Byb2dyYW1zLXN1cnZleXMvYWNzL25ld3MvZGF0YS1yZWxlYXNlcy5odG1sIn0.-TCDgBSboeR3Ox2tDKpXOPaBMI64MR-msKnXc9sLGWE/s/1199893401/br/82610645961-l>_._

As we prepare to release the 2019 ACS products, we want to remind data 
users of our commitment to protect respondent privacy and 
confidentiality. Prior blogs 
<https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDIsInVyaSI6ImJwMjpjbGljayIsImJ1bGxldGluX2lkIjoiMjAyMDA4MjAuMjU5MDM3NDEiLCJ1cmwiOiJodHRwczovL3d3dy5jZW5zdXMuZ292L25ld3Nyb29tL2Jsb2dzL3Jlc2VhcmNoLW1hdHRlcnMvMjAxOC8wOC9wcm90ZWN0aW5nX3RoZV9jb25maS5odG1sIn0.xEJNnebNTGZ99ydpu1dzvYKZlP4UtXuL8C4F58GBkGY/s/1199893401/br/82610645961-l>

outlined steps the Census Bureau is taking to modernize the procedures 
we use to protect respondent data. Our adoption of formal privacy will 
allow us to strengthen safeguards and increase transparency about the 
impact of privacy protections on data accuracy.

As Deputy Director Ron Jarmin previously stated 
<https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDMsInVyaSI6ImJwMjpjbGljayIsImJ1bGxldGluX2lkIjoiMjAyMDA4MjAuMjU5MDM3NDEiLCJ1cmwiOiJodHRwczovL3d3dy5jZW5zdXMuZ292L25ld3Nyb29tL2Jsb2dzL3JhbmRvbS1zYW1wbGluZ3MvMjAxOS8wNy9ib29zdC1zYWZlZ3VhcmRzLmh0bWwifQ.O5XV2zxPTVRo1IZ-VKFC0JOKbbDN1JNCy0SDxq7ddMs/s/1199893401/br/82610645961-l>,

we do not plan to implement formal privacy for the full suite of ACS 
data products before 2025. In the interim, we will continue to evaluate 
existing privacy protections and bolster them as necessary to address 
privacy risks that emerge. Our goal is to maintain the utility of the 
ACS as the preeminent federal survey for federal, state and local data 
users, while remaining committed to our legal obligations to protect 
confidentiality.**

One area where we are strengthening our disclosure avoidance methods is 
the count of final interviews published in our quality measures and 
other detailed tables. We will continue to publish the quality measures 
tables that provide this information for /select/ geographies. But we 
are discontinuing the tables that included this information for /all/ 
geographies.^^[1] <#_ftn1>  In addition, we are adding “noise” to the 
interview counts to cut the risk of disclosure while still providing a 
general indicator of data quality for the geography of interest. We will 
continue to publish the household sample sizes selected for invitation 
to complete the ACS, without added noise or rounding. The reason: These 
sample sizes are properties of the ACS design, not its realized sample, 
and provide a more robust indicator of data quality for very small 
geographies.

Table B98001 (Unweighted Housing Unit Sample) will be published for 
nation, state, county and place in both the 1-year and 5-year ACS 
beginning with the 2019 ACS release. Previously, the table was not 
published for places in the 1-year ACS. A new table will be created of 
final person interviews, which will be released for nation, state, 
county and place in the 1-year and 5-year ACS. This will provide the 
same information as the former B00001, but will be restricted to the 
same summary levels as B98001.

The Census Bureau has a tradition and public expectation of producing 
high quality statistics while protecting the confidentiality of 
respondents. We will work closely with our scientific and data user 
communities as we explore options for modernizing ACS privacy 
protections while ensuring the data products’ continued high quality and 
fitness-for-use. The Census Bureau is funding collaboration 
opportunities with external researchers on the issue of formal privacy 
for sample surveys. A key deliverable of such collaboration will be 
establishing effective data user engagement. We will provide more 
information about this effort as it becomes available.

Send comments or questions to &lt;ACSprivacy(a)census.gov&gt;ov>.

------------------------------------------------------------------------

[1] 
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These data were published in B00001 and B00002 in the 1-year and 5-year 
ACS products as well as K200001 and K200002 in the 1-year supplemental 
ACS product.

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