PWT version 11.0 is a database with information on relative levels of income, output, input and productivity, covering 185 countries between 1950 and 2023.
Please check the main codebook at: https://www.rug.nl/ggdc/docs/pwt_71vs80_variable_correspondence.pdf. The document with the revisions done to this version is found here: https://dataverse.nl/dataset.xhtml?persistentId=doi:10.34894/FABVLR