It is used to select jury members.
yes
Any citizen who has registered to vote in a General Election, or in a Local Election, is put on to the Electoral Register (sometimes known as the Electoral Roll).
In Virginia they select people for jury duty from the list of registered voters.
list of registered voters of a particular areas is the eletoral roll
As of 2021, Delaware has approximately 1 million registered voters.
There are 183,301 registered Republican voters in Delaware.
In 2012 Georgia had 5,804,812 registered voters. Of those registered voters, only 3,900,050 turned out to vote in the 2012 Presidential election.
You should understand that voting is an anonymous process. There is no list of Obama voters (although there is a list of registered Democrats, who very probably did vote for Obama - most of them are not on food stamps).
This might help:in 2008 there were 12,752,417 registered voters in Texas.
in 2004 there were about 2,049,000 registered voters in Oregon
there are more than 250,000 registered voters (in all 50 states)
a list of apparent registered voters in the jurisdiction, who will be called upon for jury duty after being screened.