Context Data

The Chapel Hill Expert Survey provides expert assessments of national political parties’ positions on ideology and policy issues. The long-running European series began in 1999 and is complemented by surveys in other regions and rapid-response modules, producing comparable party-level contextual measures.

The Comparative Agendas Project assembles and codes information on policy processes across countries using a common policy-topic classification. Its datasets cover government and parliamentary activity, laws, speeches, budgets, media attention and other policy-agenda indicators, enabling comparison of issue attention and policy-making over time and across political systems.

The Comparative Legislators Database integrates political, sociodemographic, career, online-presence and public-attention information for more than 67,000 contemporary and historical national legislators. It links records through Wikipedia and Wikidata identifiers and provides legislature-specific relational tables.

COMPLAB is a research infrastructure for comparative policy data spanning social, environmental and migration policy. Its projects include SPIN (social policy), GRACE (environmental policy) e MIGPOL (migration policy).

The Comparative Political Data Set is a collection of annual political and institutional data for democratic OECD and EU countries. It includes government composition, electoral and institutional variables, and selected demographic and socioeconomic indicators designed for cross-national and longitudinal analysis.

H-DATA collects, integrates and curates historical country-level data to extend comparative political research further back in time. Its datasets cover state information capacity, foreign ministers, diplomatic representation, historical cabinets and conflict, providing long-run evidence on political institutions and international relations.

The Manifesto Project provides systematically coded data on political parties’ election programmes, allowing researchers to measure policy emphasis and party positions over time. The current database covers thousands of manifestos, parties and elections across more than 60 countries and is updated regularly.

Paths to Power extends WhoGov with detailed minister-level information on education, occupation, birthplace, family and class background for governments across world regions.

Political Data Yearbook interactive provides searchable and downloadable annual political data on election results, national referenda, changes in government and institutional reforms. It covers all EU member states plus a set of other established democracies and is updated annually by country experts.

The PPEG database combines comparative information on political parties, presidents, elections, and governments around the world.

The Political Party Database Project provides standardized coded information on political party organizations in parliamentary and presidential democracies. Its modules cover party resources and events, party structures and institutions, internal decision-making and national legislative elections, complemented by a party-statute archive.

The Quality of Government Institute compiles and produces cross-national and subnational datasets on governance, public administration, corruption, rule of law, public services and related political, economic and social indicators.

The Representative Democracy Data Archive provides comparative data on governments, parliaments, political parties and political institutions in parliamentary democracies.

The PopuList is a database of European political parties classified as populist, far left and/or far right, with additional information on Euroscepticism.

UCDP provides globally comparable data on organized violence, including armed conflict, non-state conflict, one-sided violence, actors and georeferenced conflict events.

V-Dem provides multidimensional country-level measures of democracy based on hundreds of indicators and indices, including electoral, liberal, participatory, deliberative and egalitarian dimensions.

WhoGov provides biographical and political information on cabinet members and country-year measures derived from government composition.