Question: Can atheism surpass Christianity in American black communities by 2021?, Answer:No, Description of Atheism: Absence of belief in the existence of deities, Fact1: 83% of blacks in the US identify as Christians., Fact2:  In the United States, blacks are less likely than other ethnic groups to be religiously unaffiliated, let alone identifying as atheist., Fact3: African American history, slavery and the civil rights movement are all closely tied to Christianity in America.
Step1: What is the population of black Americans?, Step2: How many out of #1 follow a religion?, Step3: Is #2 close to or less than 50%?, Wikipedia page for step 1: wiki: African-American, Wikipedia page for step 2: wiki: African-American , Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False