The vast majority of the Presidents of the United states have been Protestants, One was a Catholic (JFK) and some were free-thinkers whos religious affiliation would have been hard to determine.
Protestant
What was the most common religious affiliation in the 108th Congress?
Catholic
They were all Christians However Kennedy was the first Catholic
The second largest reported religious affiliation in Canada is "no religion" (after Christianity, the largest religion in Canada). The third largest religious affiliation and second largest religion is Islam.
roman catholic
Law is the most common profession among the US presidents.
Most American voters determind their party affiliation by regional, ethnic, religious, and local factors
For a nominal variable like religious affiliation, a representative value is typically the mode, which is the category that occurs most frequently in the dataset. Since nominal variables do not have a natural order or numerical value, the mode provides insight into the most common group within the data. Other descriptive statistics, such as percentages or proportions, can also be useful for summarizing the distribution of various affiliations.
More US presidents were lawyers before they became President. 25 of the 43 presidents were admitted to the bar, although not all them earned their living that way.Of course, if you consider politician to be a profession, even more of them engaged in that.
Many presidents were lawyers perviously.
Most Czech's are atheistic. It is the most atheistic country in the world, with over 60% of the population declaring no religious affiliation.