Robert Cappucci becomes 16th Boston mayoral hopeful

The next mayor of Boston will be one of these 12 candidates.
Official candidate (3,000 valid signatures)
Age range
Based on the 2013 Boston Mayoral Election Poll (March 24, 2013).
What is the most important problem facing the City of Boston today?
Select group
What is the best background for a new mayor of Boston?
Select group
Most of the candidates come from the south of the city.

SOURCES: Globe reporting, 2013 Boston mayoral election poll (University of New Hampshire, Survey center)

Chiqui Esteban, Eric Bailey, Andrew Ryan/Globe Staff