posts_gdocs: 1UdKf375jChVw4SpFrhNaRJH0Ve7VDXtjFz_CP7mon54
Data license: CC-BY
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| 1UdKf375jChVw4SpFrhNaRJH0Ve7VDXtjFz_CP7mon54 | causes-of-death-treemap | article | {
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"text": "This post discusses data for 2019, the year before the pandemic started. Once global data for the period during the pandemic becomes available via the IHME, you can find it ",
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"text": "in our entry on the causes of death",
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"text": "To make progress towards a healthier world we need to have a good understanding of what health problems we face today. What do people die from?",
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"text": "This visualization gives us the answer. This type of visualization is called a \u2018tree map\u2019. The size of the entire visualization represents the total number of deaths in 2019: that\u2019s 55 million deaths. Each rectangle within it represents one cause of death: its size is proportional to the share of deaths from that particular cause. For example, 18% of global deaths in 2019 were from cancers; the rectangle representing cancers therefore corresponds to 18% of the total area. This way we can quickly see which causes kill many people, and which kill few.",
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"text": "The chart does not show the current situation. It shows the data for the year before the pandemic. During the pandemic the number and causes of deaths have changed. For 2020 it is estimated that 5.7 million people died from COVID and the current 2021 death toll \u2013 before the year is even over \u2013 is estimated to be 11.5 million.",
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"text": " Other causes of death declined during the pandemic. We would expect, for example, that traffic deaths would decline when restrictions were in place and travel was reduced.",
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"text": "What the pre-pandemic data does provide is a perspective for where global health could get back to once the pandemic retreats.",
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"text": "In everyday language we sometimes say that a person died of \u2018old age\u2019 or that they \u2018died of natural causes\u2019. But there is always an underlying cause that stopped their body from functioning. It is these specific causes that are visualized in this chart. When the cause of death is not recorded then researchers rely on models to estimate the cause.",
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"text": "Epidemiologists group the causes of deaths into three large categories:",
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"text": "Shown in blue on the left are ",
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"text": "non-communicable diseases",
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"text": "; diseases which cannot be passed from person to person. The two most common causes of death fall into this group: cancers kill 18% of people and cardiovascular diseases \u2013 such as stroke and ischemic heart disease \u2013 are responsible for one-in-three deaths in the world.",
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"text": "Shown in red are ",
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"text": "; diseases that are caused by a pathogen which can be passed from person to person.",
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"text": "In green you see ",
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"text": ". This is a very wide category which includes accidents \u2013 such as car crashes and falls from stairs or ladders \u2013 as well as intentional injuries like homicides, war deaths, and suicides.",
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"text": "What the world dies from is not what is reflected in the media. Some major causes of deaths receive very little attention. Very rare tragedies draw outsized attention \u2013 have a look at the bracket in the bottom right, there you see the small rectangle that refers to the deaths due to terrorism.",
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"text": "Violence is, fortunately, a relatively rare cause of death. While it receives a lot of media attention, more people die from diarrheal disease than from all forms of violence put together.",
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"text": "This is the perspective we need if we want to contribute to progress against the world\u2019s largest problems. We need a good sense of the relative importance of different causes of death and we need to focus our efforts on the biggest rectangles in this visualization. If we don\u2019t look at the data it is easy to miss that preventing deaths from diarrhea would save more lives than bringing an end to all violence. The former should be much easier to achieve, too. We already know how to do it.",
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"text": "1.238 million people died from \u2018intentional injuries\u2019 in 2019:",
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"text": "Diarrheal diseases: 1.53 million",
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"text": "our entry on diarrheal deaths",
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"text": "This is the estimate of the total death count from COVID according to ",
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"text": "the model produced by The Economist",
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"text": " \u2013 which is very transparently documented by the team that produces it. This estimate is more than twice as high as the number of confirmed deaths which did not reach 2 million in 2020.",
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"type": "article",
"title": "Causes of death globally: what do people die from?",
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"excerpt": "To make progress towards a healthier world we need to have a good understanding of what health problems we face today.",
"dateline": "December 7, 2021",
"subtitle": "To make progress towards a healthier world we need to have a good understanding of what health problems we face today.",
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1 | 2023-06-21 08:13:08 | 2021-12-07 15:36:00 | 2023-12-28 16:31:12 | unlisted | ALBJ4LsWGvPi-bj7Ya7xgSiJpAg6xMME0wSAJ7jv0uEtmvosfXZCzJo_72RS74Ng9xC0SoUvd8JqRxtEB5BDwQ | <Callout /> To make progress towards a healthier world we need to have a good understanding of what health problems we face today. What do people die from? <Image filename="causes-of-death-2019-full.png"/> This visualization gives us the answer. This type of visualization is called a ‘tree map’. The size of the entire visualization represents the total number of deaths in 2019: that’s 55 million deaths. Each rectangle within it represents one cause of death: its size is proportional to the share of deaths from that particular cause. For example, 18% of global deaths in 2019 were from cancers; the rectangle representing cancers therefore corresponds to 18% of the total area. This way we can quickly see which causes kill many people, and which kill few. The chart does not show the current situation. It shows the data for the year before the pandemic. During the pandemic the number and causes of deaths have changed. For 2020 it is estimated that 5.7 million people died from COVID and the current 2021 death toll – before the year is even over – is estimated to be 11.5 million.1 Other causes of death declined during the pandemic. We would expect, for example, that traffic deaths would decline when restrictions were in place and travel was reduced. What the pre-pandemic data does provide is a perspective for where global health could get back to once the pandemic retreats. In everyday language we sometimes say that a person died of ‘old age’ or that they ‘died of natural causes’. But there is always an underlying cause that stopped their body from functioning. It is these specific causes that are visualized in this chart. When the cause of death is not recorded then researchers rely on models to estimate the cause. Epidemiologists group the causes of deaths into three large categories: * Shown in blue on the left are **non-communicable diseases**; diseases which cannot be passed from person to person. The two most common causes of death fall into this group: cancers kill 18% of people and cardiovascular diseases – such as stroke and ischemic heart disease – are responsible for one-in-three deaths in the world. * Shown in red are **communicable or infectious diseases**; diseases that are caused by a pathogen which can be passed from person to person. * In green you see **injuries**. This is a very wide category which includes accidents – such as car crashes and falls from stairs or ladders – as well as intentional injuries like homicides, war deaths, and suicides. What the world dies from is not what is reflected in the media. Some major causes of deaths receive very little attention. Very rare tragedies draw outsized attention – have a look at the bracket in the bottom right, there you see the small rectangle that refers to the deaths due to terrorism. Violence is, fortunately, a relatively rare cause of death. While it receives a lot of media attention, more people die from diarrheal disease than from all forms of violence put together.2__ This is the perspective we need if we want to contribute to progress against the world’s largest problems. We need a good sense of the relative importance of different causes of death and we need to focus our efforts on the biggest rectangles in this visualization. If we don’t look at the data it is easy to miss that preventing deaths from diarrhea would save more lives than bringing an end to all violence. The former should be much easier to achieve, too. We already know how to do it. 1.238 million people died from ‘intentional injuries’ in 2019: 760,000 Suicides 415,000 Homicides 63,000 Conflict and terrorism Diarrheal diseases: 1.53 million See [our entry on diarrheal deaths](https://ourworldindata.org/diarrheal-diseases). This is the estimate of the total death count from COVID according to [the model produced by The Economist](https://www.economist.com/graphic-detail/coronavirus-excess-deaths-estimates) – which is very transparently documented by the team that produces it. This estimate is more than twice as high as the number of confirmed deaths which did not reach 2 million in 2020. | Causes of death globally: what do people die from? |