Objective —To assess the test-retest reliability and validity of the physical activity questions in the World Health Organisation health behaviour in schoolchildren (WHO HBSC) survey. Methods —In the ...

India's fertility rate drops to 1.9, below replacement level, raising population concerns. Demographic momentum, delayed ...

Analysis: The decisions reliant on population statistics in any five-year period could be worth 100 times the $400m ...

While most estimates place the current human population at around 8.2 billion, a new study suggests we might be vastly underrepresenting rural areas.

Major economies are heading toward a "population collapse" by 2100 because of falling fertility rates, new research has found. A report by the McKinsey Global Institute (MGI) on Wednesday, warns ...

Japan's population has been shrinking for 15 years, with huge implications for the country's economy, national defense, and culture. Now, policymakers are working to boost birth rates.

Japan's falling population is owed, in part, to a spike in the success of women in the workforce. A greater percentage of Japanese women hold jobs than their American counterparts.

Japan’s estimated child population has shrunk for the 44th straight year to a record low, government data showed Sunday, as the country grapples with a demographic crisis underscored by falling ...

The number of elderly people in Japan surged by 20,000 from September 2023 to 36.25 million, accounting for a record high 29.3 percent of the population, government figures showed.

Japan’s estimated child population has shrunk for the 44th straight year to a record low, government data showed Sunday, as the country grapples with a demographic crisis underscored by falling ...