TOKYO, Japan - More than 40%of married couples in Japan say they have sex less than once a month, with the figure rising in surveys since 2004, a doctor at a clinic belonging to the Japan Family Planning Association said.
The ratio stood at 41.3% in the survey of 1,306 people aged between 16 and 49 conducted in September. The figure was around 32%in 2004 and topped 40% in 2010, Kunio Kitamura, the doctor, said Thursday.
Among men, 28.2% said they were not interested in sex because they were "tired from work," the survey said. Among women, the largest segment, at 23.5% said they find sex "troublesome."