This is the 7507th most frequent Japanese word.
全数
"全数" means "total number" or "all items/units."
In this context, '全数' refers to the total number of students in the school.
学校の生徒全数が試験を受けました。
All the students in the school took the exam.
Here, '全数' refers to the total count of goods produced in the factory.
工場の生産品全数が品質検査を受けています。
All the items produced in the factory are undergoing quality inspection.
In this sentence, '全数' indicates the entire group of respondents targeted by the survey.