His Democratic rivals in the mayor's race include former City Councilman Sal Albanese, Public Advocate Bill de Blasio, City Council Speaker Christine Quinn and former Comptroller Bill Thompson.

WSJ: Republican Tom Allon drops out of NYC mayor's race

For years, whenever asked about the bill, Ms. Quinn said she remained opposed because of economic factors.

WSJ: Quinn Signs On to Paid Sick Leave

And there are a roster of Democratic contenders, including City Councilman Sal Albanese, Public Advocate Bill de Blasio, Comptroller John Liu and City Council Speaker Christine Quinn and former Comptroller Bill Thompson.

WSJ: Republican Tom Allon drops out of NYC mayor's race