Examine individual changes

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 is the reason women have a longer life span than men? What is the reason the advantage has grown over time? There is only limited evidence and the evidence isn't sufficient to draw an informed conclusion. Although we know that there are biological, behavioral and environmental factors which all play a part in women who live longer than men, we do not know how much each one contributes.<br><br>Independently of the exact number of pounds, we know that at least a portion of the reason women live so much longer than men do today but not previously, is to be due to the fact that some fundamental non-biological factors have changed. What are the factors that 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, especially for survivors, ended up raising women's longevity disproportionately.<br><br>Everywhere in the world women tend to live longer than men<br>The first chart below shows life expectancy at birth for men and women. We can see that every country is over the line of parity diagonally. This implies that a baby girl from any country can anticipate to live longer than her younger brother.<br><br>It is interesting to note that although the female advantage exists across all countries, the country-specific differences are huge. In Russia women live 10 years longer than men; in Bhutan the difference is just half each year.<br><br>__S.17__<br>__S.19__<br>In the richer countries, the female advantage in longevity was smaller<br>Let's examine how the gender advantage in longevity has changed with time. The chart below illustrates the gender-based and female-specific life expectancy at birth in the US between 1790 to 2014. Two specific points stand out.<br><br>First, there is an upward trend. Women and men in the United States live longer than they used to a [https://www.flickr.com/search/?q=century%20ago century ago]. This is in line with historical increases in life expectancy everywhere in the world.<br><br>And second, [https://glorynote.com/%D8%B5%D8%A8%D8%BA-%D8%A7%D9%84%D8%B4%D8%B9%D8%B1-%D8%A8%D8%A7%D9%84%D8%A3%D8%B3%D9%88%D8%AF/ صبغ الشعر بالاسود] there is an increasing gap: The female advantage in life expectancy used be extremely small but it increased substantially over the course of the last century.<br><br>By selecting 'Change Country by country' in the chart, [https://autiwiki.org/index.php?title=Why_Are_Women_Living_Longer_Than_Men صبغ الشعر بالاسود] you can check that these two points are applicable to other countries with available data: Sweden, France and the UK.