Between 2015 and 2050, the proportion of the world’s population who are more than ... of less than 15 years fell from 8.1mn to 7.4mn. And if you recalculate old-age dependency ratios with ...

In 2021, there were 17 people aged 65 and over for every 100 people aged 20 to 64 (this is the so-called “old-age dependency ratio”); by 2050, there will be 29 for every 100. So far ...

Between 2015 and 2050, the proportion of the world’s population who are more than 60 years old will nearly ... 20 to 64 (this is the so-called “old age dependency ratio”); by 2050, there ...

While chronological age is easily measured ... large-scale protein analysis to provide a more accurate measure of an individual's biological age than chronological age. By examining nearly ...

Americans are putting off parenthood longer than ever ... with age, it’s a gradual process and many women are still able to conceive successfully later in life. “Between 35 and 40, fertility ...

You’re more likely to get cancer as you get older. In fact, age is the biggest risk factor for the disease. More than nine out of 10 cancers are diagnosed in people 45 and older. Those older ...