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's the main reason women live longer than men? And why is this difference growing in the past? We only have a few clues and the evidence isn't strong enough to make an unambiguous conclusion. Although we know that there are biological, psychological, and environmental factors that play an integral role in women who live longer than men, we don't know how much each one contributes.<br><br>We know that women live longer than men, regardless of weight. However this isn't because of certain biological factors have changed. What are these changing factors? Some are well known and relatively straightforward, like the fact that men smoke more often. There are others that are more intricate. 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. It is clear that every country is above the line of parity diagonally. This implies that a baby girl in every country can expect to live longer than her brothers.<br><br>The chart above shows that while the female advantage exists across all countries, [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] the difference between countries is huge. In Russia women have an average of 10 years more than males; while in Bhutan the difference is less than half an hour.<br><br>__S.17__<br>__S.19__<br>In rich countries the women's advantage in longevity was not as great.<br>Let's see how the female longevity advantage has changed over time. The next chart compares male and female life expectancies at birth in the US between 1790 and 2014. Two specific points stand out.<br><br>There is an upward trend. Both men as well as women in the US live a lot, much longer today than a century ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>There is an [https://soundcloud.com/search/sounds?q=increase&filter.license=to_modify_commercially increase] in the gap between men and women: female advantage in terms of life expectancy used be very small but it increased substantially over the course of the last century.<br><br>You can check if the points you've listed are applicable to other countries with data by clicking the "Change country" option in the chart. This includes the UK, France, and Sweden.