: The 2021 field period represents one of the most recent rounds of data collection for this cohort. Researchers often seek the "Zip Code" file to link survey responses with local environmental, economic, or social data.
: Excellent for browsing thousands of variables and creating custom datasets without needing an account to just explore. Download 20212 zip
: The interface can be complex for new users due to the sheer volume of "Round" and "Variable" tags. : The 2021 field period represents one of
The query appears to refer to the restricted-use Zip-Code data files for the year 2021 (often referred to in survey cycles as "2021" or "Round 29/30" data). Overview of NLSY79 Zip-Code Data you should use the .
For all non-restricted variables (demographics, employment, etc.), you should use the .