Answer:
D. Labor force population
Step-by-step explanation:
Labor force population: These are the percentage of the population, who are looking for employment or already employed. Rest of population are the one who are not looking for jobs, these category are not considered as labor force. The labor force includes all employed and unemployed workforce in the population. They represent the human factors in producing goods and services in the economy. Labor forces are always part of all possible recruitment strategies.