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 ...

The Pew report reveals how religious disaffiliation and population growth have influenced the global religious landscape.

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.

New data also shows how the population of children is going down, while the population of elderly Americans is rising.

Policymakers are worried about Japan's future as the population plummets.

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 ...

Vietnam drops two-child policy amid demographic concerns The country was one of the last to have population-control policies that limited a family’s number of children.

The re-entry visas of Sri Lankans hoping to return to Israel has been extended till July 31, the Ministry of Foreign Affairs, Foreign Employment and Tourism stated ...

AI could ‘devastate’ Earth’s population down to the size of the UK by 2300, expert warns: ‘People really don’t have a clue’ ...

However, several challenges remain. Enumerating thousands of castes and sub-castes across regions, languages, and naming conventions is a monumental task. Without a standard classification system, the ...

California’s population grew by almost a quarter of a million in 2024, according to the U.S. Census Bureau. Experts say the figures represent an important turnaround.