Notes on the "tax code effect" when looking for young children in administrative records

Suzanne M. Dorinski

CES Technical Notes Series from Center for Economic Studies, U.S. Census Bureau

Abstract: Researchers have long noted that young children are undercounted in the Decennial Census. Recent efforts have focused on trying to find young children in administrative records to compensate for the undercount. The Annual Administrative Population Estimates (AAPE) project has used records of births from Numident with Protected Identification Keys (PIKs) that are not observed elsewhere in administrative records to increase the coverage of young children. The young children are not yet observed elsewhere due to the tax code effect. This note shows the counts of Numident births by month for the last 3 full months of each Numident file from 2015 through 2021 Q3 compared to the National Center for Health Statistics count of births to US residents during those same months. This note also includes a graphic of young children by source in the AAPE 2020 file, focusing on those born in November 2019 through February 2020.

Keywords: Numident; Demographic Frame (search for similar items in EconPapers)
Date: 2024-11
New Economics Papers: this item is included in nep-mac
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Persistent link: https://EconPapers.repec.org/RePEc:cen:tnotes:24-11

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