Poll: Growing number incorrectly call Obama Muslim

President Barack Obama is a Christian, but a new poll finds and increasing number of Americans are convinced that he is a Muslim.

Read the full survey from Pew Research Center

Eighteen percent of those responding to the Pew Research Center survey said they believe Obama is Muslim, up from 11 percent in March. Just 34 percent correctly say he is a Christian, while 43 percent said they don't know his religion.

The survey was conducted by the Pew Research Center and its affiliated Pew Forum on Religion & Public Life. Interviews took place before the controversy erupted over whether Muslims should be permitted to construct a mosque near the World Trade Center site.

Read more: Confusion grows about Obama's religion (Washington Post)Barack Obama is Not a Muslim (Time)