Brunei vs Costa Rica: Mortality rate, under-5 (per 1,000 live births)

Brunei
9.9 per 1,000 live births
in 2024
Costa Rica
10.4 per 1,000 live births
in 2024
Brunei rank
121st
Costa Rica rank
118th

Mortality rate, under-5 (per 1,000 live births) over time

  • Brunei
  • Costa Rica
020406080100196019922024

How they compare

Costa Rica currently reports 10.4 per 1,000 live births against 9.9 per 1,000 live births in Brunei, a difference of 0.5 per 1,000 live births.

That makes Costa Rica's figure about 1.1 times Brunei's.

The two have swapped places 2 times across 65 shared years of data; in 1960 it was Costa Rica ahead.

Brunei ranks 121st and Costa Rica ranks 118th of 197 countries.

Across the 7 decades both report, Brunei averaged higher in 2 and Costa Rica in 5.

Head to head by decade

Decade Brunei Costa Rica Difference Ahead
1960s 67.26 per 1,000 live births 88.97 per 1,000 live births 21.71 per 1,000 live births Costa Rica
1970s 36.59 per 1,000 live births 49.4 per 1,000 live births 12.81 per 1,000 live births Costa Rica
1980s 16.95 per 1,000 live births 21.58 per 1,000 live births 4.63 per 1,000 live births Costa Rica
1990s 12.24 per 1,000 live births 15.1 per 1,000 live births 2.86 per 1,000 live births Costa Rica
2000s 9.73 per 1,000 live births 11.64 per 1,000 live births 1.91 per 1,000 live births Costa Rica
2010s 10.43 per 1,000 live births 9.41 per 1,000 live births 1.02 per 1,000 live births Brunei
2020s 10.18 per 1,000 live births 9.86 per 1,000 live births 0.32 per 1,000 live births Brunei

Averages of every year both report within each decade.

Frequently asked questions

Which has higher mortality rate, under-5, Brunei or Costa Rica?
Costa Rica, at 10.4 per 1,000 live births against 9.9 per 1,000 live births in Brunei as of 2024.
What is the difference in mortality rate, under-5 between Brunei and Costa Rica?
0.5 per 1,000 live births, with Costa Rica ahead.
How many years of comparable data are there for Brunei and Costa Rica?
65 years are reported by both, from 1960 to 2024.
How do Brunei and Costa Rica rank globally for mortality rate, under-5?
Brunei ranks 121st and Costa Rica ranks 118th of 197 countries.
Where does this data come from?
UN Inter-agency Group for Child Mortality Estimation, UN Children's Fund (UNICEF), published as Mortality rate, under-5 (per 1,000 live births). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brunei vs Costa Rica: Mortality rate, under-5. Statizoid, drawing on UN Inter-agency Group for Child Mortality Estimation, UN Children's Fund (UNICEF). Retrieved 11 November 2026, from https://health.statizoid.com/compare/mortality-rate-under-5-per-1-000-live-births/brunei-darussalam/costa-rica/

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About this data

Indicator
Mortality rate, under-5 (per 1,000 live births)
Unit
per 1,000 live births
Source
UN Inter-agency Group for Child Mortality Estimation, UN Children's Fund (UNICEF)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
244 places, 13,546 data points, 1960–2024
Last refreshed

Under-five mortality rate is the probability per 1,000 that a newborn baby will die before reaching age five, if subject to age-specific mortality rates of the specified year.