What is the difference in mortality rate, under-5 between Costa Rica and Oman?

0.1 per 1,000 live births, with Costa Rica ahead.

How many years of comparable data are there for Costa Rica and Oman?

65 years are reported by both, from 1960 to 2024.

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.

Costa Rica vs Oman: Mortality rate, under-5

Costa Rica

10.4 per 1,000 live births

in 2024

Oman

10.3 per 1,000 live births

in 2024

Costa Rica rank

118th

Oman rank

119th

Mortality rate, under-5 over time

Costa Rica
Oman

How they compare

Costa Rica currently reports 10.4 per 1,000 live births against 10.3 per 1,000 live births in Oman, a difference of 0.1 per 1,000 live births.

The two have swapped places 1 time across 65 shared years of data; in 1960 it was Oman ahead.

Costa Rica ranks 118th and Oman ranks 119th of 197 countries.

Oman has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Costa Rica	Oman	Difference	Ahead
1960s	88.97 per 1,000 live births	304.66 per 1,000 live births	215.69 per 1,000 live births	Oman
1970s	49.4 per 1,000 live births	176.59 per 1,000 live births	127.19 per 1,000 live births	Oman
1980s	21.58 per 1,000 live births	73.5 per 1,000 live births	51.92 per 1,000 live births	Oman
1990s	15.1 per 1,000 live births	26.7 per 1,000 live births	11.6 per 1,000 live births	Oman
2000s	11.64 per 1,000 live births	13.53 per 1,000 live births	1.89 per 1,000 live births	Oman
2010s	9.41 per 1,000 live births	11.2 per 1,000 live births	1.79 per 1,000 live births	Oman
2020s	9.86 per 1,000 live births	10.5 per 1,000 live births	0.64 per 1,000 live births	Oman

Averages of every year both report within each decade.

Frequently asked questions

Which has higher mortality rate, under-5, Costa Rica or Oman?: Costa Rica, at 10.4 per 1,000 live births against 10.3 per 1,000 live births in Oman as of 2024.
What is the difference in mortality rate, under-5 between Costa Rica and Oman?: 0.1 per 1,000 live births, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Oman?: 65 years are reported by both, from 1960 to 2024.
How do Costa Rica and Oman rank globally for mortality rate, under-5?: Costa Rica ranks 118th and Oman ranks 119th 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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Costa Rica vs Oman: Mortality rate, under-5. Statizoid, drawing on UN Inter-agency Group for Child Mortality Estimation, UN Children's Fund (UNICEF). Retrieved 04 September 2026, from https://health.statizoid.com/compare/mortality-rate-under-5-per-1-000-live-births/costa-rica/oman/

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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: 03 September 2026

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.