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. 2022 Jun 17;10:874500. doi: 10.3389/fpubh.2022.874500

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Copyright © 2022 Zhang, Zhang and Tao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) The effect of retirement on happiness when 60 is the retirement age. (B) The effect of retirement on happiness when 55 is the retirement age. (C) The effect of retirement on happiness when 65 is the retirement age.