Do Labour Parties Suffer from Declining Turnout? Evidence from Norwegian Local Elections

Abstract The argument that declining voter turnout harms social democratic parties has received little support in research on national elections, but partisan consequences of declining turnout in local elections has been less explored. Norwegian local elections – where both turnout and support for the Labour Party have declined since the early 1960s – are used as a test case. Analyses of aggregate data gave no systematic support for the hypothesis that Labour suffers from lower turnout. Declining turnout and declining Labour Party vote were not causally related, and the correlation between the two variables seemed to be the result of other long-term social changes. Analyses of survey data pointed to three flaws in the premises on which the hypothesis was based. First, the effect of declining turnout on the biased class composition of the abstainers was ambiguous. Second, the Norwegian Labour Party suffers less from differential turnout than before as a result of declining class voting. Third, the Labour P...