population

US /ˌpɑː.pjəˈleɪ.ʃən/
UK /ˌpɑː.pjəˈleɪ.ʃən/
"population" picture
1.

all the inhabitants of a particular town, area, or country

:
The city's population has grown rapidly in the last decade.
The global population is expected to reach 9.7 billion by 2050.
2.

a group of individuals of the same species living in a particular area

:
The deer population in this forest has increased significantly.
Scientists are studying the fish population in the lake.