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IRS Migration Data
IRS Migration Data
Updated over a week ago

IRS migration data is the foundation for the migration figures shown in Lightcast’s products. The data is based on tax returns filed and generally lags by a couple of years. Note, however, that this IRS data is not used in estimating migration for our demographics data. Our demographics data uses estimated migration based on Census population estimates and CDC birth/death rates.

The IRS’s migration data can be found here.

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