Polling Aggregation

Opinion polls are an increasingly central part of election campaigns. My work focuses on the aggregation of opinion polls in Ireland and the Netherlands.

Peilingwijzer

Peilingwijzer combines Dutch national opinion polls. I started aggregating Dutch opinion polls in 2011, based on work by Simon Jackman. Since 2012 the Dutch public broadcaster NOS has regularly published the Peilingwijzer. The advice and help of my colleague Joop van Holsteyn has been instrumental in developping this project.

Irish Polling Indicator

The Irish Polling Indicator is published regularly. I started this project in 2014. In 2020, Stefan Müller (University College Dublin) joined the project.

Tom Louwerse
Tom Louwerse
Associate Professor

Associate Professor in Political Science at Leiden University

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