World’s 18 most endangered spoken languages Christian Science Monitor: Christian Science Monitor: 18 languages have only one remaining speaker World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages The Christian Science Monitor World’s 18 most endangered spoken languages World’s 18 most endangered spoken languages World’s 18 Most Endangered Spoken Languages The Christian Science Monitor