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Pubic sentiment is everything. […] Whoever can change public opinion can change the government. […] It is public opinion that settles every question here.Abraham Lincoln (1858)

The Global Public Opinions Project (GPOP) is a cooperative international research effort that seeks to advance the knowledge and measurement of public opinion across the world. It proposes a unique and nuanced interpretation of public opinion amenable to the analysis of its different dimensions and forms, both between countries and through time.

GPOP data sets are the products of a large-scale data collection effort that harmonises individual-level data from hundreds of surveys into aggregated public opinion measures. The project currently includes raw data in the form of repeated survey marginals (input), as well as various annual public opinion estimates (output).

This website provides a more detailed overview of the project’s scope, analytical approach and ambitions (about). It further allows visitors to visualise and download customised portions of the project’s data sets, as well as access some of its output materials. For the moment, the available data remains limited to public opinion towards immigration in 17 European democracies.

The project is not entirely tailored towards academia, but also seeks a broader societal impact and application. By means of a close collaboration with the data sharing and publishing platform OpenDataSoft, the project provides a unique tool to visualise and disseminate pre-set portions of the data sets that can subsequently be devoted to scientific or popular use.

Recent news and events


January 24 2018

University of Mainz.

Presentation: “The Global Public Opinions Project: Data collection, patterns of variance and public opinion”

April 10-14 2018

ECPR Joint Sessions, Nicosia.

Workshop: “Macro-Opinion in Comparative Perspective”, organised by John Bartle and Timothy Hellwig

August 31 – September 3 2017

APSA Annual Meeting, San Francisco.

Presentation: “Conventional wisdom or paradigm shift? Public opinion towards immigration”

(Steven M. Van Hauwaert and Patrick English)

September 6-9 2017

ECPR General Conference, Oslo.

Presentation: “Opinions of liberal democracy and terrorist attacks: An empirical analysis of the effects of the November 2015 terrorist attacks in France”

(Steven M. Van Hauwaert and Robert A. Huber)

December 2017

First data release of the public opinion towards immigration data sets for 17 European countries.

This was originally planned for October, but was eventually postponed to allow for an extensive quality check.

December 21 2017

State of the Federation conference, Brussels.

Presentation: “Public opinion towards immigration and the role of immigration: Evidence from Belgium, France and the UK (1990-2015)”

(Steven M. Van Hauwaert and Patrick English)