Not all countries' citizenship tests contain 100 questions. Canada's citizenship test, for example, consists of 20 questions, notes Huffington Post. Test takers have 30 minutes to answer a minimum of 15 questions correctly. The Danish exam has 30 questions, of which 22 must be answered correctly, notes the Copenhagen Post.
Potential U.S. citizens must pass a naturalization test with 100 civics questions, as well as speaking, reading and writing tests, according to the U.S. Citizenship & Immigration Services. Though there are 100 possible questions on the test, applicants must correctly answer only six of the 10 questions they are asked during the oral examination.