Why Do Women Live Longer Than Men

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 are more likely to live longer than men? And why does this benefit increase over time? We have only a small amount of evidence and the evidence is not sufficient to draw an unambiguous conclusion. We are aware that behavioral, biological and environmental factors all contribute to the fact that women are healthier than men; However, we're not sure how much the influence to each of these variables is.

We know that women are living longer than men, regardless of weight. But this is not because of certain non-biological factors have changed. These factors are changing. Some are well known and relatively straightforward, like the fact that men smoke more often. Some 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, افضل كريم للشعر - why not try this out, 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. It is clear that every country is over the line of parity diagonally. This implies that a baby girl in all countries can expect to live longer than her brothers.

Interestingly, this chart shows that while the female advantage exists in all countries, difference between countries is huge. In Russia women have a longer life span than men. In Bhutan the gap is less than half a year.

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The advantage women had in life expectancy was less in developed countries as compared to the present.
Let's look at how female longevity advantage has changed over time. The next chart compares male and female life expectancy when they were born in the US from 1790 to 2014. Two distinct features stand out.

First, there is an upward trend. Women and men living in America are living longer than they were 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.

The gap is getting wider: Although the female advantage in life expectancy was once extremely small however, it has grown significantly in the past.

It is possible to verify that these are applicable to other countries with data by clicking the "Change country" option in the chart. This includes the UK, France, and Sweden.