The allocation of seats in the National Council among the cantons is based on the figures for the resident population obtained from the register-related surveys carried out as part of the census in accordance with the Census Act of 22 June 20071in the first calendar year following the previous general elections to the National Council.
Based on the binding figures for the resident population in accordance with Article 13 of the Census Act of 22 June 2007, the Federal Council shall make a binding decision on the number of seats to be allocated to each canton in the follow general election to the National Council.