Non-intentional – refers to ‘accidental’ or natural cause fatalities.
Intentional – refers to deliberately inflicted or suspected suicide.
Water-related fatality – A water-related fatality refers to all deaths in, on or near to water. This includes drowning and falls into or near water.
Seasons – Summer (June, July, August), Spring (March, April, May), Autumn (September, October, November), Winter (December, January, February).
Mean – average of the data set.
Standard deviation – a summary measure of the amount of variation of a set of values from the mean.
Average annual population – the number of children and young people in the Welsh population in each age group between 2013 and 2022 (2022 figure used 2021 as a proxy) divided by ten.