The census is the basis of the Citizen List of those qualified to vote.
To qualify:
you must own a parcel of land in the CDS AND that land is held in your own name (not deeded to a group) AND your tier is not in arrears .
People often say that, in a democracy, decisions are made by a majority of the people. Of course, that is not true. Decisions are made by a majority of those who make themselves heard and who vote -- a very different thing.