IPUMS FAQs: Why is the 2014 sample twice as large as the total population?

At IPUMS we try to address every user’s questions and suggestions about our data. It is just one feature that adds value to IPUMS data. Over time, many questions are often repeated. In this blog series, we will be sharing some of these frequently asked questions. Maybe you’ll learn something, or perhaps you’ll just find these interesting. Regardless, we hope you enjoy.

Here’s one of those questions:

Why is the 2014 sample twice as large as the total population?

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Dissemination Through Swag

Swag: slang for free merchandise distributed as part of the promotion of a product, company, etc.

Promotional merchandising of census data products has been in use in the United States since the first decennial census of population.  Don’t you wish you had one of these?!


The Minnesota Population Center has distributed swag in a variety of contexts to promote its products and reward data users.  

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IPUMS FAQs: Sample Weights

At IPUMS we try to address every user’s questions and suggestions about our data. It is just one feature that adds value to IPUMS data. Over time, many questions are often repeated. In a new blog series, we will be sharing some of these frequently asked questions. Maybe you’ll learn something, or perhaps you’ll just find these interesting. Regardless, we hope you enjoy.

Here’s one of those questions:

What are sample weights? And do I need to use them?

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