So it is required for every citizen to register?
When you say EU nationals, are you referring to UK citizens that are from elsewhere in the EU? Or is citizenship not required to vote?
...The demographics of a region are constantly studied and analyzed. Voting patterns are constantly studied and analyzed. That lets you develop models for voting patterns and if there was widespread voting fraud, that would show up as an irregularity in the data.
We need to be on voter list (created from senses).If not on list you need picture I.D.With all the gerrymandering in the states, a minority vote in the US can easily win.