Several months from now, voters will caucus and vote in primaries to determine the presidential nominee for the Democratic Party.
Already, several people from businessmen to members of the United States Senate have declared their intentions to seek that nomination.
What do the polls say about these candidates? With the Democratic National Convention still over a year away, who is currently leading the pack?
As seen by data compiled by different political polling websites, former Vice President Joe Biden, who as of Tuesday morning remains undeclared, leads in most of the surveys.
Here are four measures of the current state of the race: