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. Why do women live so more than men do today and why have these advantages gotten bigger over time? We only have a few clues and زيوت تطويل الشعر the evidence is not strong enough to make a definitive conclusion. We know there are biological, behavioral and environmental factors that play an integral role in women living longer than males, we aren’t sure what percentage each factor plays in.

It is known that women are living longer than men, regardless of their weight. But this isn’t due to the fact that certain biological or non-biological factors have changed. What are these factors that have changed? 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, 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 all countries are above the line of parity diagonally. This implies that a baby girl from every country could be expected to live for زيوت تطويل الشعر longer than her brother.

This chart illustrates that, although there is a women’s advantage everywhere, cross-country differences are often significant. In Russia women live 10 years more than men. In Bhutan the gap is less than half a calendar year.



In rich countries the female advantage in longevity used to be smaller

Let’s look at the way that female advantages in longevity has changed over time. The next chart plots the life expectancy of males and females at birth in the US during the time period between 1790 and 2014. Two points stand out.

First, there’s an upward trend. as well as women in the US have a much longer life span longer than they did 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 life expectancy used to be very small but it has risen significantly in the past.

If you select the option «Change country from the chart, you will be able to confirm that the two points are also applicable to other countries with available data: Sweden, France and the UK.

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