Question

Status:Closed    Asked:Mar 04, 2016 - 10:49 AM

WTSUPP doesn't add up to total population?

I am trying to estimate the total population using the ASEC IPUMS by summing WTSUPP for every year. This doesn't add up to a number that looks like total population. Instead I get, for example, 193.7 million for the total population in 2013. Isn't WTSUPP supposed to be the population weight that adds up to approximately the Census Population Estimates series?

 
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Tim_Moreland

Staff

I downloaded your extract #5, but I am unable to replicate your issue. When I sum the WTSUPP values for the 2013 March ASEC, I get a total of just over 311 million. I confirmed that the sums of WTSUPP for the years 1976-2015 also look correct. My recommendation is to confirm you have not dropped any observations from the ASEC sample before summing WTSUPP. If you have not, I recommend downloading your extract again, as it is large and may not have completely downloaded.


Hope this helps.

 

Mar 04, 2016 - 02:39 PM

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