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sign of life; human presence
humanity; humaneness
「人気」 has other readings with different meanings.
夜の公園には人気がなかった。
There was no sign of anyone in the park at night.
この道は人気がなくて夜は怖い。
This road has no people and is scary.
人気のない公園を一人で歩いた。
I walked through an empty park.