Modernization, Cultural Change, and Democracy: The Human Development Sequence
Primary Investigators: Inglehart, Ronald & Christian Welzel, 2005
Sources: Most of the variables in the second half come from the World Values Survey. Other sources include the World Bank, UNDP, Encyclopedia Britannica, CIA World Factbook, Human Development Report, Polity IV, Freedom House, and the Global Civic Society Project (Anheier et. al. 2003).
Output: SPSS .sav file
Note especially: The data appendix is an excellent example to emulate when writing your own.