Deceased infant refers to a child who was born alive but died before reaching one year (12 months) of age.

The under-5 mortality rate is a demographic indicator that expresses the number of deaths of children under the age of five during a calendar year, per 1,000 live births in the same year.
This indicator is used to assess the health status of children, the quality of health care, and the general socio-economic conditions in a country.

The neonatal mortality rate is a demographic and health indicator that represents the number of deaths among newborns during the first 28 days of life per 1,000 live births in a given year.