Objectives To determine the prevalence and causes of blindness and vision impairment, and the coverage and quality of cataract surgical services, among population aged 50 years and older in Sohag ...

With around 10 million people within its nearly 300 square miles, according to the C.I.A. World Factbook, Tehran is comparable in density to New York City.

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Cairo, Egypt throughout the world ...

> Though Jurong East may not be the smallest by population size at 76,390 compared to Marine Parade, which has 45,850, its geographical area is larger than the average town size of 12.77 km 2, thereby ...

Japan is one of a number of east Asian countries grappling with falling birth rates and an aging population. South Korea and China have fought for years to encourage families to have more children.