The aim of this paper is to estimate voter migration patterns and the location of coalitions in a two-dimensional policy space within the framework of the Chilean parliamentary elections between 2001-2013. To do this, we use the generalized maximum entropy method, which allows us to estimate migration patterns from aggregated election data. Results show that there is high voter volatility, turnout plays a role, and there is some consistency in where coalitions are located from one election period to another.