TOKYO -- Up to 42% of Japanese women born in 2005 could end up not having children in their lifetimes, according to a government estimate, a high percentage that could threaten the future of its social security program.
Government estimate points to deepening decline, raising questions for social security

TOKYO -- Up to 42% of Japanese women born in 2005 could end up not having children in their lifetimes, according to a government estimate, a high percentage that could threaten the future of its social security program.