Japanese Statistics - Life Expectancy Differences Between Married and Unmarried Men and Women Over 50

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Relationship between Marriage and Lifespan - Health Information | Daiichi Yakuhin Kogyo Co., Ltd.
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While there are limitations to these statistics, the difference between the average life expectancy of unmarried men (68.5 years) and women (84.2 years) is significant.
This statistic has caused quite a shock in Japan.