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Insights into Marriage Trends in Japan

A study conducted by the IBJ Marriage Future Research Institute, operated by IBJ Corporation, sheds light on significant trends in marriage rates influenced by smoking and drinking habits. Based in Shinjuku, Tokyo, IBJ is recognized as Japan's leading company in generating marriage success stories. The analysis examined the marital status of approximately 20,000 individuals who tied the knot in 2025.

With the rising health consciousness among the public and increased efforts to combat passive smoking, there has been a notable decline in smoking rates, especially among younger individuals who are increasingly distancing themselves from alcohol consumption. These societal changes are thought to be affecting the values individuals seek in potential partners for marriage.

The Dominance of Non-Smokers Among Married Couples

The analysis revealed a remarkable trend: an overwhelming 93.6% of couples who got married were both non-smokers. Conversely, the rate of marriage among smokers stood at less than 1%. This statistic suggests that the matchmaking market is significantly tilting towards non-smokers, demonstrating that health awareness and a growing social concern regarding passive smoking heavily influence partner preferences.

As individuals select a life partner, smoking behaviors appear to transcend mere personal preference, intertwining with future lifestyle aspirations and family values. This indicates a broader shift in societal attitudes towards smoking, wherein individuals increasingly consider its implications on their future quality of life and values.

Smokers Are More Likely to Choose Non-Smokers

Among the marrying population, nearly 94.8% of male smokers chose non-smoking women as partners. For female smokers, the figure was slightly lower at 69.4% opting for non-smoking men. These statistics highlight that societal structures and general smoking rates—where men typically smoke more than women—play a crucial role in marital decisions. Interestingly, even among smokers, the majority still opt for non-smokers, pointing to potentially differing tolerance levels regarding smoking between genders, which merits further investigation.

Alcohol Consumption and Marriage Rates

In contrast to the decline in smoking, the analysis reviewed alcohol consumption's relationship with marriage rates among men. The findings revealed a surprising insight: the marriage rate for men who drink is significantly higher at 38.4%, compared to just 28.7% for those who abstain from alcohol, indicating a difference of 9.7 points and suggesting that drinking habits contribute to a 1.3 times higher likelihood of marrying.

As per various reports, younger generations are moving away from alcohol, yet the marriage market suggests that, for men, a drinking habit may be associated with lifestyle factors conducive to forming connections with potential partners. Social interactions tied to drinking—be it through meals or conversations—might create environments that are more favorable for relationship building, thus increasing marriage rates.

Commentary from IBJ Marriage Future Research Institute

While smoking and drinking might seem minor details on a profile, they reflect deeper questions about lifestyle choices and shared values amongst couples. In the matchmaking realm, factors such as age and income often take precedence, but shared daily habits and compatibility in lifestyle choices increasingly appear to be just as vital for long-term partnerships.

This analysis highlights how evolving societal norms, including health consciousness and alcohol consumption, shape the marriage landscape as a mirror of broader changes in societal values. Moving forward, the Institute plans to share data and insights into other dimensions of marriage trends, such as the impact of remarriage on market dynamics and regional variations in marriage rates.

Stay tuned for our continuous updates on marriage trends as we aim to provide valuable insights into the evolving perceptions of marriage through data.