Header for Peilingwijzer website

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.


The Dutch public broadcaster NOS publishes my aggregation of Dutch national opinion polls, called ‘Peilingwijzer’ (Polling Indicator).


Louwerse, Tom (2013) Peilingen in het nieuws: van hypes naar trends, Beleid en Maatschappij, 40(2), 176-179


Louwerse, Tom (2016) Pooling Opinion Polls in the Netherlands. Paper presented at the Dutch-Flemish Political Science Conference, Politicologenetmaal, Brussels, 2-3 June.

Irish Polling Indicator

My Irish Polling Indicator is published regularly on politicalreform.ie.


Louwerse, Tom (2016) Improving Opinion Poll Reporting: The Irish Polling Indicator, Irish Political Studies, 31(4): 541-566