QoG code: chisols_sp
Coded 1 if a non-democratic country-year is characterized by a single-party, military-single-party, single-party-personalist, or military-personalist-single-party system, 0 if it is not pure single-party or a single-party hybrid, and -9 for not applicable if the country-year is democratic.
| Dataset | No. Countries |
|---|---|
| Standard time-series | 166 |
| OECD time-series | 30 |
| Dataset | Available for years |
|---|---|
| Standard time-series | 1946-2018 |
| OECD time-series | 1946-2018 |
This variable has information from 1946 to 2018.