This data-collection is shared with colleague-investigators on the following conditions:

• You cite this source. Cite as: Veenhoven, R. States of Nations, World Database of Happiness, Erasmus University Rotterdam. Available at: https://worlddatabaseofhappiness.eur.nl/related-sources/data-set-states-of-nations/ (+ year)
  
• You add what you additionally gather to the database by sending us a copy of your enlarged data file.
  Please add a text with details about the new variables that we can insert on this site.
   
• You send us a copy of the research-report, which will be made available to the field through the Bibliography of Happiness.

On this site you find the description of the variables. The Excel data-file is free available for download. This Excel file can be uploaded in statistical Programs such as SPSS or R.

The latest version is named: StatesOfNations_2021d.xlsx

The dataset States of Nations is about characteristics of countries in periods (macro variables). It is part of the World Database of Happiness