Life experience — the knowledge and practical wisdom gained through living, such as through work, failures, and relationships.
彼は年上で、人生経験が豊富だ。
He is older and has a lot of life experience.
失敗も人生経験になるから、あまり気にしないでいいよ。
Failures become life experience, so don't worry too much.
海外で暮らしたことが彼女の人生経験を広げた。
Living abroad broadened her life experience.