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2018 Supplemental Poverty Measure (SPM) Research File

Component ID: #ti1677528395

Due to an error in our tax model, tax units with an Adjusted Gross Income (AGI) below $12,000 were inadvertently not run through the Additional Child Tax Credit (ACTC) portion of the tax model. As a result, 2,435 tax units did not receive this refundable credit, which changed the Supplemental Poverty Measure (SPM) poverty status of about 600 individuals (or 0.3% of the weighted population). This error changed our top-level SPM estimate from 13.1% for 2018 to 12.8%. Using either set of estimates, the change between 2017 and 2018 was not significant overall or for any of the major age categories. All SPM estimates have been revised accordingly. 

.pdf   Data Dictionary   [<1.0 MB]
doc   ReadMe   [<1.0 MB]
Component ID: #ti889101753

Beginning with the release of the CPS ASEC 2019 files, all SPM variables will be included on the main CPS ASEC datasets and will no longer be released as separate research file extracts. Please see: https://thedataweb.rm.census.gov/ftp/cps_ftp.html#cpsmarch

Users can also find extracts with SPM variables for the 2017 Research File and 2018 Bridge file at: https://www.census.gov/data/datasets/time-series/demo/income-poverty/cps-asec-design/income-poverty.html 

NAS Datasets

Files to replicate the NAS-based poverty measures can be accessed in our archives.

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