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REFERENCE PERIOD: &nbsp; Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
LIVE BORN: &nbsp; Live birth product.

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Quinquennial neonatal mortality rate (‰)

Characteristic	Description
Name	Quinquennial neonatal mortality rate (‰) by Place of residence of mother (NUTS - 2024); Annual
Regularity	Annual
Source	Statistics Portugal, Mortality by causes of death
First available period	2017 - 2021
Last available period	2020 - 2024
Dimensions	Data reference period (Quinquennium) Place of residence of mother (NUTS - 2024)
Concepts	REFERENCE PERIOD: Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others). LIVE BORN: Live birth product.
Formule	IMR = [Sum Deaths < 28(t-5, t)/ Sum Live births(t-5, t)]*1000; Where: Sum Deaths < 28(t-5, t) = Sum of infant deaths with lees than 28 days old, in the relative period of the last five years (t-5, t); Sum Live births(t-5, t) = Sum of live births, in the relative period of the last five years (t-5, t); t = No. of years.
Measure unit (symbol)	Permillage (‰)
Power of 10	0
Observations
Last update date	10/09/2025