Effective with the April 2001 data release, on May 16, 2001, the Census Bureau made some changes to the methodology used to generate the estimates of Housing Starts and Housing Completions.
The following items account for most of the changes in our estimates:
Based on revised data for the years 1999 and 2000, we have estimated the effect of these methodology changes on our estimates. These have been calculated as follows:
Housing Starts - The total number of housing starts are about 1.5% lower than previously published. This is a result of a decline of about 2.4% in single family structures and an increase of about 1.8% in structures with 2 units or more. The discontinuance of the 3.3% adjustment on single family houses accounts for a drop of about 2.4% on total starts, however the other methodology and processing changes resulted in an increase of about 0.9%.
Housing Completions - The total number of housing units completed are about 2.1% lower than previously published. This is a result of a decline of about 3.0% in single family structures and an increase of about 1.8% in structures with 2 units or more. The discontinuance of the 3.3% adjustment on single-family houses accounts for a drop of about 2.5% on total completions, however the other methodology and processing changes resulted in an increase of about 0.4%.
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