Neonatal deaths (3-year average) in Washington

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Definitions: Number of infants who died within the first 27 days of life.

Neonatal death numbers reported here are the average number of neonatal deaths in three consecutive calendar years (N=(sum of total neonatal deaths for 3 years)/3).

Rates represent the number of infants who died within the first 27 days of life per 1,000 live births. Neonatal death rates presented here are calculated by dividing the total number of neonatal deaths in three consecutive calendar years by the total number of live births reported in the same period.

Data Source: The data used for this measure come from Center for Health Statistics, Washington State Department of Health (DOH), Infant Death Data. Data were downloaded on November 27, 2019 from (Mortality Table F8).

The DOH combines information from the Washington State Birth and Death Certificate Systems to produce records of all infant deaths occurring in the state and nearly all infant deaths to residents of the state. Information about the birth is collected in hospitals and birth centers. Information about the death is collected by funeral directors from an informant (usually a family member).

S: Data estimate has been suppressed. Rates are not shown when the average number of neonatal deaths over the three consecutive years is fewer than 5.

Footnotes: Data last updated in November 2019 by Washington KIDS COUNT.

According to the Department of Health, "These events are rare in annual terms. When the events are rare (small numbers) data may be affected by random fluctuations in the number of events between successive years. The effect of such random fluctuations on death rates is proportionately larger when the number of events is small. For example, one more infant death has a larger numerical impact on an area with 3 deaths than it does on an area with 300 deaths. Because of these random fluctuations, the rates based on small numbers may not be as reliable as those based on larger numbers in the sense that they may have limited predictive value.”

Department of Health technical notes on measurement issues are available at

We combined three years of data to minimize unreliability of measurement due to small numbers. The values reported here refer to rolling averages across three years. For instance, we report the average value across the years 1992, 1993 and 1994.