List of articles by the National Institute of Population and Social Security Research

The number of people without children has nearly tripled in the last 30 years, surveyed by the University of Tokyo

 The number of people without children has nearly tripled in both men and women over the past 30 years, Peter […] of the Graduate School of Medicine, the University of Tokyo.

The University of Tokyo survey has more than 134 million men nationwide in the Japanese marriage market

 Despite the intention to marry in the Japanese marriage market, 848 million women and 983 million men are unmarried, and about 134 million men are surplus nationwide […]