The Understanding America Study HRS Wave 2 surveys are the second series of HRS surveys that UAS respondents are invited to. This happens two years after completion of the UAS HRS Baseline, that is, two years after completion of UAS 25. The following HRS surveys are administered:

Note that the above list excludes the HRS 2016 sections H2 (mortgage crisis), I (physical measures and biomarkers) and W (Internet use).