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 reason why women live longer than men? What is the reason is this difference growing over time? We have only a small amount of evidence and the evidence isn't sufficient to reach a definitive conclusion. We know that behavioral, biological and environmental factors all contribute to the fact that women have longer life spans than men, but we don't know exactly how strong the relative contribution to each of these variables is.

In spite of how much amount of weight, we are aware that at least a portion of the reason women live longer than men today and not previously, has to do with the fact that a number of important non-biological aspects have changed. These are the factors that are changing. Some are well known and relatively straightforward, like the fact that men smoke more often. Certain are more complicated. 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, افضل شامبو وبلسم [glorynote.com] 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, all countries are above the diagonal parity line - which means that in every country that a baby girl can be expected to live longer than a newborn boy.1

This chart shows that, although women have an advantage everywhere, cross-country differences can be substantial. In Russia women live 10 years longer than men; in Bhutan the difference is less than half each year.

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The advantage women had in life expectancy was less in rich countries than it is now.
Let's take a look at how the female longevity advantage has changed over time. The following chart shows the gender-based and افضل شامبو وبلسم female-specific life expectancy at the time of birth in the US during the period 1790 to 2014. Two things stand out.

First, there is an upward trend. Both genders in the United States live longer than they used to 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.

The gap is getting wider: Although the advantage of women in terms of life expectancy was quite small however, it has grown significantly with time.

By selecting 'Change Country from the chart, you will be able to verify that these two points are applicable to the other countries with available information: Sweden, France and the UK.