If an election were to take place this summer, Labor would get 20 seats, according to a poll commissioned by the party.
Opposition leader Shelly Yechimovich cited the poll at Sunday's Labor Conference, saying that most of the increase in seats comes from "centrists," meaning former Kadima voters, but some come from Likud supporters disappointed by the current government's policies.
"We have unrealized potential, and we will not give up," Yechimovich said in her opening remarks, which were brief, as she is recovering from pneumonia.
Yechimovich's candidates to lead Labor institutions won all of the votes almost unanimously, including former justice minister David Libai, who will head the party's constitution committee.
Stay on top of the news - get the Jerusalem Post headlines direct to your inbox!