This is the 17958th most frequent Russian word.
факторы
Factors.
In this context, 'факторы' are social conditions or contributors that affect population happiness levels.
Социальные факторы могут влиять на уровень счастья среди населения.
Social factors can influence the level of happiness among the population.
In this sentence, 'факторы' is used to denote elements or circumstances that affect human health.
Существуют факторы, влияющие на здоровье человека.
There are factors that influence human health.
Here, 'факторы' refers to environmental conditions or elements that impact biodiversity preservation.