Harmonized Survey of Health, Ageing, and Retirement in Europe (Harmonized SHARE) is an easy-to-use version of data from the first eight waves of the Survey of Health, Ageing, and Retirement in Europe (SHARE) with a set of harmonized variables suitable for cross-country analysis. Using the RAND HRS and Harmonized HRS as models, Harmonized SHARE defines variables as identically as possible with the RAND HRS and Harmonized HRS to allow users to compare variables with all other Harmonized data sets. Documentation for each variable in Harmonized SHARE, including a description of its creation, the SHARE variables used, and descriptive statistics, is detailed in the Harmonized SHARE codebook.