The data for the Intergenerational Solidarity Index is freely available for use by academics, policymakers and other interested parties. It is hosted at the data and code collaboration site, github.com, along with the two papers on which the work is based and supporting documentation.
Attribution should be as follows: Intergenerational Solidarity Index 2019 by Jamie McQuilkin. Published in The Good Ancestor: How to Think Long Term in a Short-Term World by Roman Krznaric. Data available at github.com/pipari/ISI. Licensed under CC BY-NC-SA.
As the Index is under active development, it is strongly recommended to ensure that the data is the latest version and to contact its creator Jamie McQuilkin before doing significant analysis, at firstname.lastname@example.org.