Sentence examples for half are from inspiring English sources

The phrase "half are" is correct and usable in written English.
It is typically used to indicate a portion or fraction of a larger group or quantity. Example: "Half are in favor of the new policy while the other half are against it." In this sentence, "half" refers to 50% of a larger group of people and the verb "are" agrees with the plural subject "people." Another example: "Out of the 10 students in the class, half are from Japan and half are from Korea." In this sentence, "half" refers to 50% of the total number of students and the verb "are" agrees with the plural subject "students."