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Actors who committed suicide12/10/2023 That suicide rates can be much higher among older people may sound surprising, because suicide is a leading cause of death in young people. However, in some other countries, such as South Korea and Portugal, you can see that suicide rates tend to be higher among older age groups. In some countries, such as the United States and Japan, you can see that suicide rates tend to be similar across age groups. 13 This can also be why some countries appear to have rising suicide rates, if the rates of misclassification decline. Suicides may still be underestimated after this adjustment, especially if they are misclassified as other types of deaths.As a result, data on suicide rates represent a better estimate of how many people die from suicide, but they may still be underestimated after this adjustment, especially if they are misclassified as other types of deaths. This is done according to the fraction that are estimated to be deaths by suicide. To account for this, the WHO and IHME reclassify a proportion of deaths reported with those causes as suicides. 8 For these reasons, suicides may be misclassified, especially as deaths due to “events of undetermined intent”, accidents, homicides or unknown causes. In some countries, suicides and suicide attempts can be a criminal offence. This is partly because, in many countries, suicide is highly stigmatised. Self-harm deaths tend to be under-recorded, even among countries that have a large share of deaths registered. This includes people who had self-harmed but had not intended to die, and they may not be considered suicides by the country’s particular legal definition. Researchers typically define suicides as deaths which were classified as deaths caused by ‘intentional self-harm’ in the International Classification for Diseases (ICD). Where vital registration systems are underdeveloped, statisticians have to estimate the number of deaths and their causes from partial data and particular studies. In many countries, especially in Africa and South Asia, a low share of deaths are registered in such systems at all. It shows that in some cases, not all deaths are registered in a country’s central vital registration system. A major reason is that deaths in general – not just suicides – are not well-recorded in many countries. In many countries, suicides are under-reported for a number of reasons. 6ĭeaths by suicide are under-reported in many countries 5 Several of these countries also have very high rates of validation by coroner reports, and/or have autopsies performed for almost all unexpected or injury deaths. This included Spain, Italy, Norway, Austria, Luxembourg, Finland and France. In the chart we show a selection of countries in Europe where suicide rates have declined and which had a low ratio of unexpected deaths to suicides, as identified by Värnik and colleagues (2012), which implies that they had higher quality data on suicides. If there is a lower ratio of unexpected deaths to suicides, this implies that a higher proportion of unexpected deaths were classified as suicides, which is an indicator of better data quality. It’s possible to get an indicator of data quality on suicides by looking at the ratio of unexpected deaths to suicides.2 This can also be why some countries appear to have rising suicide rates, if the rates of misclassification decline. ![]() ![]() As a result, data on suicide rates represent a better estimate of how many people die from suicide. To account for this, the WHO’s Global Health Observatory reclassifies a proportion of deaths reported with those causes as suicides, according to the fraction that are estimated to be deaths by suicide. Instead, these deaths are often misclassified in reported data, especially as deaths due to “events of undetermined intent”, accidents, homicides, or unknown causes. In many countries, deaths due to self-harm are highly underreported due to social stigma, cultural and legal concerns.Suicide estimates come from death certificate data, using deaths that were classified under death codes for ‘intentional self-harm’ in the International Classification of Diseases (ICD).
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