Final answer:
Yes, the Population census does determine the number of employed persons in a country.
Step-by-step explanation:
Yes, the Population census can determine the number of employed persons in a country. The United States Census Bureau, through the Bureau of Labor Statistics, conducts the Current Population Survey which provides data on labor supply, including employment. The survey collects information from households and measures various aspects of the labor force size, labor force participation rates, and employment by different demographic groups.