Комментарии читателей

Why do women live longer than men?

Cathryn Richter (2022-04-22)


Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What's the main reason women have a longer life span than men? What is the reason is this difference growing as time passes? The evidence is sketchy and we're left with only some answers. We recognize that biological, behavioral and افضل كريم للشعر environmental factors all play a role in the fact that women have longer lives than men, but we don't know exactly how much the influence of each factor is.

1397031219470420214305624.jpgIt is known that women are living longer than men, regardless of their weight. But this is not because of certain non-biological aspects have changed. The factors changing are numerous. Some are well known and relatively straightforward, like the fact that men smoke more often. Others are more complex. For example, there is evidence that in rich countries the female advantage increased in part because infectious diseases used to affect women disproportionately a century ago, so advances in medicine that reduced the long-term health burden from infectious diseases, especially for survivors, ended up raising women's longevity disproportionately.

Everywhere in the world women tend to live longer than men
The first chart below shows life expectancy at birth for men and women. As you can see, every country is above the diagonal parity line , this means that in all countries that a baby girl can be expected to live for longer than a newborn boy.1

The chart below shows that although there is a women's advantage everywhere, cross-country differences can be significant. In Russia women live 10 years longer than men; in Bhutan the difference is less than half one year.

__S.17__
__S.19__
In wealthy countries, the women's advantage in longevity was not as great.
Let's now look at how the female advantage in longevity has changed with time. The next chart shows the life expectancy of males and females when they were born in the US from 1790 to 2014. Two areas stand out.

First, there is an upward trend. as well as women in the US are living much, much longer than they did a century ago. This is in line with historical increases in life expectancy everywhere in the world.

The second is that there is an increase in the gap between men and women: female advantage in life expectancy used be very small but it increased substantially over the last century.

You can confirm that these points are also applicable to other countries with information by clicking on the "Change country" option on the chart. This includes the UK, افضل كريم للشعر France, and Sweden.