Webinar Today (5/14): Highlights of the April 2021 Detailed Summary Metrics

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Webinar Today:

Highlights of the April 2021 Detailed Summary Metrics

This webinar will examine how the Census Bureau uses a variety of accuracy measures to evaluate the data produced by the Disclosure Avoidance System’s TopDown Algorithm. We will explain how we developed these accuracy measures and how data users can use them to evaluate the April 2021 demonstration data. 

Friday, May 14, 2021
  • Date: Today
  • Time: 1:00 p.m. ET
  • Dial In: 800-475-0483
  • Passcode: 2538393#
  • Webex Event Number (if needed): 199 315 4411
  • Link: Log In Details

Event Password: Census#1 (If required, this password is only for users who join from a WebEx application or mobile app.)

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Upcoming Disclosure Avoidance Webinars


Analysis of April 2021 Demonstration Data for Redistricting and Voting Rights Act​ Use Cases

This webinar will examine the results of the Census Bureau’s empirical evaluation of the reliability and fitness-for-use of the April 2021 demonstration data for redistricting and enforcement of the Voting Rights Act. 

Friday, May 21, 2021
  • Date: May 21
  • Time: 1:00 p.m. ET
  • Dial In: 800-475-8401
  • Passcode: 5850486#
  • Webex Event Number (if needed): 199 248 9705
  • Link: Log In Details

Event Password: Census#1 (If required, this password is only for users who join from a WebEx application or mobile app.)


Past Webinars


Understanding the April 2021 Demonstration Data

The webinar covered in detail the updates reflected in the new demonstration data, walked through the associated metrics, and provided an opportunity for Q&A. 

Friday, April 30, 2021

Differential Privacy 101

This introductory webinar explained the Census Bureau’s decision to modernize the methods we use to protect respondent confidentiality in the data we release. We covered the basic principles and concepts of disclosure avoidance and differential privacy and discussed their implications for census data users.

Tuesday, May 4, 2021

The Census Bureau's Simulated Reconstruction-Abetted Re-identification Attack on the 2010 Census

This webinar examined the simulated re-identification attack that the Census Bureau performed on the published 2010 Census data and its implications for the 2020 Census. 

Friday, May 7, 2021
  • Event page with webinar materials (recording coming soon)

This webinar provided a deeper examination of how the Census Bureau is using the framework of differential privacy to safeguard respondent data for the 2020 Census. We examined how the 2020 Census Disclosure Avoidance System’s TopDown Algorithm works and the parameters and settings used to produce the April 2021 demonstration data. 

Thursday, May 13, 2021
  • Event page with webinar materials (recording coming soon)

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About Disclosure Avoidance Modernization

The Census Bureau is protecting 2020 Census data products with a powerful new cryptography-based disclosure avoidance system known as “differential privacy.”  We are committed to producing 2020 Census data products that are of the same high quality you've come to expect while protecting respondent confidentiality from emerging privacy threats in today's digital world.