Rise in human life expectancy has slowed in the last 30 years, research says

The study suggests it would be optimistic if 15% of females and 5% of males could live to 100 years old in most countries this century.

The rise in human life expectancy may be slowing down after nearly doubling over the last century, new research suggests.

Over the 19th and 20th centuries, there have been dramatic increases in how long people are expected to live, due to factors such as healthier diets and medical advances.