The difference in age between two or more people; an age gap or disparity (e.g., between partners, friends, colleagues).
彼らは年齢差があるが、とても仲が良い。
They have an age gap, but they get along very well.
採用では年齢差よりも能力を重視しています。
In hiring, ability is valued more than age differences.
年齢差が大きいカップルには、価値観の違いが出ることもある。
Couples with a large age gap may sometimes have differences in values.