This is the 5142nd most frequent Russian word.
населением
"Population."
Here, 'населением' refers to the number of inhabitants in a city.
Город с населением в миллион человек считается крупным.
A city with a population of one million is considered large.
In this sentence, 'населением' represents the collective individuals living in an area.
Местное самоуправление тесно сотрудничает с населением ради улучшения жизни.
Local government collaborates closely with the population to improve life.
This usage of 'населением' refers to a group of animals inhabiting a specific area, showcasing its flexible application.