populationpop·u·la·tion /ˌpɒpjəˈleɪʃənˌpɑː-/ noun1[countableC, uncountableU] the number of people who live in a particular country or areaa city with a population of over 2 million
Hong Kong’s rapid growth in population
2[countableC usually singular] all the people who live in a particular area12% of the population now has private health insurance.
→ active population