Only 4.6% of Marriages Have an Age Gap of 10+ Years. Analysis of the Severe Correlation Between Economic Power and Age Difference [Big Data of ~20,000 People] #IBJ Marriage White Paper
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IBJ Inc. has released its "Marriage White Paper," analyzing data from approximately 20,000 successful marriages. It reveals that "age-gap marriages" of 10 or more years are a mere 4.6% of the total, and a trend was found where the age difference widens to over 5 years when the man's annual income exceeds 15 million yen, showing a severe relationship between economic power and age difference.