Special Report
This Country Has the Highest Infant Mortality Rate in the Developed World
JGI/Tom Grill / Tetra images via Getty Images
Published: March 19, 2025 7:00 am
24/7 Wall St. Insights
Healthcare outcomes tend to improve with wealth and healthcare spending.
In one advanced economy, however, the infant mortality rate is closer to figures found in the developing world.
With an infant mortality rate of 1.3 deaths per 1,000 live births, San Marino has the lowest infant mortality rate of any country.
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One of the hallmarks of a developed nation is advanced public health. As incomes rise, access to quality healthcare typically increases, leading to better health outcomes for all. But in some advanced countries, widespread inequality and inconsistent healthcare access can inhibit overall progress and lead to poor healthcare outcomes more common in emerging and developing economies.
Worldwide, the average infant mortality rate is 27.9 deaths per 1,000 live births. In the small European country of San Marino, there are just 1.3 infant deaths per 1,000 live births, the lowest infant mortality rate of any nation. Other countries with low infant mortality rates – like Norway, Finland, and Sweden – have strong social safety nets that help give mothers and newborns access to quality healthcare. In countries like Japan, Singapore, and South Korea, low infant mortality rates are accompanied by world-leading life expectancies and other positive health outcomes.
In the country with the highest infant mortality rate in the developed world, however, there are 5.4 infant deaths per 1,000 live births. Life expectancy at birth is just 77.4 years, despite a GNI per capita four times the global average. The country also has the highest healthcare spending of any nation worldwide, despite relatively poor health outcomes. A closer look at the countries with the highest infant mortality rate in the developed world uncovers which countries have disproportionately bad health outcomes, and reveals a wealthy superpower with a fundamentally broken healthcare system.
To determine the country with the highest infant mortality rate in the developed world, 24/7 Wall St. reviewed data on infant mortality from the World Bank . Countries classified as advanced economies by the International Monetary Fund were ranked based on the number of infants dying before reaching the age of one per 1,000 live births. Supplemental data on the percentage of births attended by skilled health staff, physicians per capita, life expectancy at birth, gross national income per capita, and population are also from the World Bank. All data are for the most recent period available.
Infant mortality rate: 1.3 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 6.0 per 1,000 people
Life expectancy at birth: N/A
GNI per capita: $69,360
Population: 33,860
KavalenkavaVolha / iStock via Getty Images
Infant mortality rate: 1.5 deaths per 1,000 live births
Births attended by skilled health staff: 99.6% of total
Physician count: 3.9 per 1,000 people
Life expectancy at birth: 77.9 years
GNI per capita: $45,270
Population: 1.4 million
tawatchaiprakobkit / iStock via Getty Images
Infant mortality rate: 1.7 deaths per 1,000 live births
Births attended by skilled health staff: 99.8% of total
Physician count: 2.6 per 1,000 people
Life expectancy at birth: 84.0 years
GNI per capita: $52,840
Population: 124.5 million
cookelma / iStock via Getty Images
Infant mortality rate: 1.8 deaths per 1,000 live births
Births attended by skilled health staff: 99.2% of total
Physician count: 5.2 per 1,000 people
Life expectancy at birth: 82.6 years
GNI per capita: $105,340
Population: 5.5 million
guvendemir / iStock via Getty Images
Infant mortality rate: 1.8 deaths per 1,000 live births
Births attended by skilled health staff: 99.6% of total
Physician count: 2.4 per 1,000 people
Life expectancy at birth: 82.9 years
GNI per capita: $118,760
Population: 5.9 million
anouchka / iStock Unreleased via Getty Images
Infant mortality rate: 1.9 deaths per 1,000 live births
Births attended by skilled health staff: 99.5% of total
Physician count: 4.3 per 1,000 people
Life expectancy at birth: 81.2 years
GNI per capita: $61,910
Population: 5.6 million
Infant mortality rate: 1.9 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 3.3 per 1,000 people
Life expectancy at birth: 81.3 years
GNI per capita: $53,080
Population: 2.1 million
aiaikawa / iStock via Getty Images
Infant mortality rate: 2.0 deaths per 1,000 live births
Births attended by skilled health staff: 97.4% of total
Physician count: 3.9 per 1,000 people
Life expectancy at birth: 82.2 years
GNI per capita: $77,490
Population: 393,349
nantonov / iStock via Getty Images
Infant mortality rate: 2.0 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 7.1 per 1,000 people
Life expectancy at birth: 83.1 years
GNI per capita: $69,500
Population: 10.5 million
Czechia, Jicin, Wallenstein's alley by / BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/)
Infant mortality rate: 2.1 deaths per 1,000 live births
Births attended by skilled health staff: 99.8% of total
Physician count: 5.5 per 1,000 people
Life expectancy at birth: 79.0 years
GNI per capita: $49,160
Population: 10.9 million
Eileen_10 / iStock Editorial via Getty Images
Infant mortality rate: 2.2 deaths per 1,000 live births
Births attended by skilled health staff: 99.8% of total
Physician count: 4.1 per 1,000 people
Life expectancy at birth: 82.9 years
GNI per capita: $56,400
Population: 59.0 million
Xantana / iStock via Getty Images
Infant mortality rate: 2.2 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 3.0 per 1,000 people
Life expectancy at birth: 83.0 years
GNI per capita: $90,540
Population: 666,430
Mlenny / E+ via Getty Images
Infant mortality rate: 2.4 deaths per 1,000 live births
Births attended by skilled health staff: 100.0% of total
Physician count: 2.5 per 1,000 people
Life expectancy at birth: 82.7 years
GNI per capita: $52,680
Population: 51.7 million
Gatsi / iStock via Getty Images
Infant mortality rate: 2.5 deaths per 1,000 live births
Births attended by skilled health staff: 99.9% of total
Physician count: 4.6 per 1,000 people
Life expectancy at birth: 83.1 years
GNI per capita: $52,660
Population: 48.3 million
Patryk_Kosmider / iStock via Getty Images
Infant mortality rate: 2.6 deaths per 1,000 live births
Births attended by skilled health staff: 98.1% of total
Physician count: 5.5 per 1,000 people
Life expectancy at birth: 81.1 years
GNI per capita: $70,080
Population: 9.1 million
SeanPavonePhoto / iStock via Getty Images
Infant mortality rate: 2.6 deaths per 1,000 live births
Births attended by skilled health staff: 98.6% of total
Physician count: 5.6 per 1,000 people
Life expectancy at birth: 81.6 years
GNI per capita: $46,010
Population: 10.6 million
Infant mortality rate: 2.6 deaths per 1,000 live births
Births attended by skilled health staff: 100.0% of total
Physician count: 3.6 per 1,000 people
Life expectancy at birth: N/A
GNI per capita: $75,250
Population: 80,856
nejdetduzen / Getty Images
Infant mortality rate: 2.7 deaths per 1,000 live births
Births attended by skilled health staff: 99.3% of total
Physician count: 5.4 per 1,000 people
Life expectancy at birth: 81.9 years
GNI per capita: $51,610
Population: 1.3 million
Infant mortality rate: 2.7 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 3.7 per 1,000 people
Life expectancy at birth: 82.7 years
GNI per capita: $53,400
Population: 9.8 million
miroslav_1 / iStock via Getty Images
Infant mortality rate: 2.7 deaths per 1,000 live births
Births attended by skilled health staff: 99.7% of total
Physician count: 4.1 per 1,000 people
Life expectancy at birth: 83.1 years
GNI per capita: $94,860
Population: 5.3 million
KavalenkavaVolha / Getty Images
Infant mortality rate: 2.8 deaths per 1,000 live births
Births attended by skilled health staff: 99.9% of total
Physician count: 3.3 per 1,000 people
Life expectancy at birth: 74.6 years
GNI per capita: $42,830
Population: 1.9 million
Roman Babakin / Getty Images
Infant mortality rate: 2.9 deaths per 1,000 live births
Births attended by skilled health staff: 100.0% of total
Physician count: 5.0 per 1,000 people
Life expectancy at birth: 75.8 years
GNI per capita: $48,850
Population: 2.9 million
ewg3D / E+ via Getty Images
Infant mortality rate: 3.0 deaths per 1,000 live births
Births attended by skilled health staff: 96.2% of total
Physician count: 4.5 per 1,000 people
Life expectancy at birth: 80.7 years
GNI per capita: $70,710
Population: 83.3 million
Infant mortality rate: 3.1 deaths per 1,000 live births
Births attended by skilled health staff: 95.3% of total
Physician count: 4.3 per 1,000 people
Life expectancy at birth: 81.3 years
GNI per capita: $75,640
Population: 5.9 million
agustavop / E+ via Getty Images
Infant mortality rate: 3.1 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 6.3 per 1,000 people
Life expectancy at birth: 81.7 years
GNI per capita: $69,270
Population: 11.8 million
zetter / iStock via Getty Images
Infant mortality rate: 3.2 deaths per 1,000 live births
Births attended by skilled health staff: 96.0% of total
Physician count: 4.1 per 1,000 people
Life expectancy at birth: 83.2 years
GNI per capita: $67,310
Population: 26.7 million
Infant mortality rate: 3.3 deaths per 1,000 live births
Births attended by skilled health staff: 99.9% of total
Physician count: 6.3 per 1,000 people
Life expectancy at birth: 80.6 years
GNI per capita: $40,260
Population: 10.4 million
bunhill / E+ via Getty Images
Infant mortality rate: 3.3 deaths per 1,000 live births
Births attended by skilled health staff: 98.2% of total
Physician count: 3.3 per 1,000 people
Life expectancy at birth: 82.2 years
GNI per capita: $58,920
Population: 68.3 million
Olena_Znak / Getty Images
Infant mortality rate: 3.4 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 3.8 per 1,000 people
Life expectancy at birth: 81.7 years
GNI per capita: $77,450
Population: 17.9 million
extravagantni / iStock via Getty Images
Infant mortality rate: 3.5 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 4.4 per 1,000 people
Life expectancy at birth: 83.5 years
GNI per capita: $86,820
Population: 8.9 million
ZoltanGabor / iStock via Getty Images
Infant mortality rate: 3.6 deaths per 1,000 live births
Births attended by skilled health staff: N/A
Physician count: 3.2 per 1,000 people
Life expectancy at birth: 82.1 years
GNI per capita: $56,820
Population: 68.4 million
Infant mortality rate: 3.9 deaths per 1,000 live births
Births attended by skilled health staff: 99.9% of total
Physician count: 3.5 per 1,000 people
Life expectancy at birth: 77.6 years
GNI per capita: $45,330
Population: 3.9 million
Robert CHG / iStock via Getty Images
Infant mortality rate: 3.9 deaths per 1,000 live births
Births attended by skilled health staff: 96.5% of total
Physician count: 3.5 per 1,000 people
Life expectancy at birth: 82.8 years
GNI per capita: $51,780
Population: 5.2 million
LeoPatrizi / E+ via Getty Images
Infant mortality rate: 4.3 deaths per 1,000 live births
Births attended by skilled health staff: 98.0% of total
Physician count: 2.5 per 1,000 people
Life expectancy at birth: 81.3 years
GNI per capita: $62,540
Population: 40.1 million
RossHelen / iStock via Getty Images
Infant mortality rate: 4.9 deaths per 1,000 live births
Births attended by skilled health staff: 98.0% of total
Physician count: 4.6 per 1,000 people
Life expectancy at birth: 77.1 years
GNI per capita: $42,350
Population: 5.4 million
Infant mortality rate: 4.9 deaths per 1,000 live births
Births attended by skilled health staff: 99.8% of total
Physician count: 5.5 per 1,000 people
Life expectancy at birth: 82.7 years
GNI per capita: $54,820
Population: 552,747
Allkindza / E+ via Getty Images
Infant mortality rate: 5.4 deaths per 1,000 live births
Births attended by skilled health staff: 99.1% of total
Physician count: 3.6 per 1,000 people
Life expectancy at birth: 77.4 years
GNI per capita: $82,340
Population: 334.9 million
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