Note that the version numbers below represent the DEMSCORE version number, not the version number of the relevant H-DATA datasets.

H-DATA Historical Cabinets

Output Unit: H-DATA Cabinet-Date

The Historical Cabinets (H-CAB) dataset is a historical extension of the Party Government in Europe Database (PAGED) and covers cabinets formed between 1919 and 1945 in 12 European countries.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Historical Cabinets version 5 ()

H-DATA Historical Conflicts: Country-Year

Output Unit: H-DATA Country-Year

The dataset merges multiple existing datasets on wars from 1816–1945 to create a comprehensive list of interstate, intrastate, and extrasystemic wars during this time period.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Historical Conflicts: Country-Year version 5 ()

H-DATA Historical Conflicts: War Level

Output Unit: H-DATA Country-Year-War

The dataset merges multiple existing datasets on wars from 1816–1945 to create a comprehensive list of interstate, intrastate, and extrasystemic wars during this time period.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Historical Conflicts: War Level version 5 ()

H-DATA Diplomatic Representation

Output Unit: H-DATA Dyad-Year

This dataset builds upon the Correlates of War (COW) dataset Diplomatic Exchange, 1817-2005 (v2006.1) by expanding the country and temporal coverage of diplomatic representation during the 19th century.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Diplomatic Representation version 5 ()

H-DATA Foreign Minister Dataset

Output Unit: H-DATA Minister-Date

The dataset covers 1155 regular (non-acting) foreign ministers, as well as partial information on 173 acting foreign ministers.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Foreign Minister Dataset version 5 ()

H-DATA Information Capacity Dataset

Output Unit: H-DATA Country-Year

The Information Capacity Dataset offers numerical data on institutions and policies that modern states use to collect information about their populations and territories.

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Information Capacity Dataset version 5 ()

H-DATA Leader Survival Dataset (PLT post-1789)

Output Unit: H-DATA Leader-Date

The Leader Survival Dataset is the post-1789 part of the “Political Leaders through Time” (PLT) dataset, and provides data on entry and exit dates, type of leader position held, biographical background information, as well as appointment and exit reasons for 10,662 individual leaders in 186 countries (or territories) from 1789-2022. The dataset was used by Per Andersson & Jan Teorell in their article "The Double-Edged Sword: How State Capacity Prolongs Autocratic Tenure but Hastens Democratization".

Version5
PublishedMarch 2025
FormatsCSV, R, STATA
Download H-DATA Leader Survival Dataset (PLT post-1789) version 5 ()