World handbook of political and social indicators I and A cross-polity survey
by Bruce M. Russett, Arthur S. Banks, Inter-university Consortium for Political and Social Research
Social indicatorsPolitical indicators
The data from these two collections were merged on country codes. As the polities included in A Cross Polity Survey are subset of those included in the Handbook, missing data codes have been assigned to countries with no Cross-Polity information.
Writing a summary for young readers…
For young readers
Book data: Open Library