United States vs South Sudan
United States has a population of 340.1M, compared to South Sudan's 15.8M. United States is 21.5 times more populous than South Sudan. United States covers 9,525,067 km², 15.4 times larger than South Sudan's 619,745 km². Life expectancy in United States stands at 78.4 years, 20.8 years higher than South Sudan's 57.6 years.
United StatesSouth Sudan| Population | +2054.4%340.1M | -95.4%15.8M |
| Area | +1436.9%9,525,067 km² | -93.5%619,745 km² |
| GDP | $28.75T | — |
| GDP Per Capita | $84,534.041 | — |
| Life Expectancy | +36.0%78.4 yrs | -26.5%57.6 yrs |
| Infant Mortality | -92.4%5.5 | +1220.0%72.6 |
| Literacy Rate | — | — |
| Unemployment | 4.2% | — |
| Capital | Washington, D.C. | Juba |
| Region | Americas | Africa |
| Languages | English | English |
| Currencies | USD ($) | SSP (£) |
Last updated: March 2026
All data sourced from World Bank Open Data (2025) and REST Countries API. Economic data may reflect most recent available year.
Population Comparison
United States is 21.5 times more populous than South Sudan, with 340.1M residents compared to 15.8M. United States is among the world's 15 most populous countries, while South Sudan is a nation of 15.8M people. In terms of population density, United States averages 36 people per km² (sparse), while South Sudan averages 25 people per km² (sparse). United States has grown at 0.62% annually over the past decade. Population growth data is not available for South Sudan.
Economy Comparison
United States is classified as a high-income economy, while South Sudan is classified as a low-income economy. United States's GDP stands at $28.75T. GDP data is not available for South Sudan. United States's GDP per capita of $84,534.041 is 526% above the regional average of 13,500 for Americas. Economic indicator data is not available for South Sudan.
Health & Quality of Life
Life expectancy in United States is 78.4 years, compared to 57.6 years in South Sudan, a gap of 20.8 years. United States (78.4 years) is 6.4 years above the global average of 72 years, while South Sudan (57.6 years) is 14.4 years below the global average of 72 years. At 72.6 deaths per 1,000 live births, South Sudan's infant mortality is 1220% higher than United States's 5.5.
Geographic Comparison
United States (9,525,067 km²) is 15.4 times larger by land area than South Sudan (619,745 km²). United States shares borders with 2 countries, while South Sudan borders 6 countries. United States spans 11 timezones, compared to South Sudan's 1 timezone. United States lies in North America, while South Sudan is located in Africa. United States is categorized within the Americas region (North America), whereas South Sudan belongs to Africa (Middle Africa).
Key Differences
The most significant difference between United States and South Sudan is in population: United States's 340.1M compared to South Sudan's 15.8M represents a 95% gap. The most significant difference between United States and South Sudan is in land area: United States's 9,525,067 km² compared to South Sudan's 619,745 km² represents a 93% gap. The most significant difference between United States and South Sudan is in infant mortality: United States's 5.5 per 1,000 compared to South Sudan's 72.6 per 1,000 represents a 92% gap. These disparities reflect the broader structural differences between United States's high-income economy and South Sudan's low-income economy.
At a Glance: What the Numbers Mean
Population Density
United States is 1.4x more densely populated than South Sudan (36 vs 25 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. South Sudan's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of United States live an average of 20.8 years longer than those of South Sudan (78.4 vs 57.6 years). This gap reflects differences in healthcare access, nutrition, public health infrastructure, and environmental factors. This is a substantial gap that suggests significant differences in healthcare systems and overall living conditions.
Travel Comparison
United States vs South Sudan for Families
For family travel, United States generally edges ahead due to lower infant mortality (5.5 vs 72.6 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. South Sudan offers its own advantages, including a more compact geography that is easier to navigate with children. Both countries have family-friendly attractions, though United States's higher GDP per capita typically correlates with better tourist infrastructure, public transport, and English-language availability.
United States vs South Sudan for Budget Travelers
United States is typically the more budget-friendly destination, with a GDP per capita of $84,534.041 translating to lower prices for accommodation, food, and local transport. Budget travelers in United States can expect to spend significantly less per day than in South Sudan. However, South Sudan may offer better value in specific categories such as intercity transport or package deals. Shoulder season travel in either country helps reduce costs further.
United States vs South Sudan for Retirees
United States's life expectancy of 78.4 years suggests stronger healthcare infrastructure, which is a key factor for retirees. South Sudan may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare access, climate preferences, and proximity to international airports. Both countries have established expat communities, though the specific visa options and healthcare quality vary by region within each country.
United States vs South Sudan for Digital Nomads
For digital nomads choosing between United States and South Sudan, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. United States spans 11 timezones while South Sudan covers 1. Cost of living varies by city in both countries. Both countries have growing digital nomad communities, though specific visa requirements for remote workers differ and should be verified before committing to a longer stay.
Frequently Asked Questions
Which is bigger, United States or South Sudan by population?
United States is larger by population, with 340.1M residents compared to South Sudan's 15.8M. United States is 21.5 times more populous than South Sudan.
Which country has a higher GDP, United States or South Sudan?
GDP data is not available for South Sudan. Please refer to the World Bank for the most current figures.
How does life expectancy compare between United States and South Sudan?
United States has a higher life expectancy at 78.4 years, compared to South Sudan's 57.6 years. The gap between the two countries is 20.8 years. United States's life expectancy is 6.4 years above the global average of 72 years, while South Sudan's is 14.4 years below the global average of 72 years.
Which country is larger by area, United States or South Sudan?
United States is larger by land area, covering 9,525,067 km² compared to South Sudan's 619,745 km². United States is 15.4 times larger than South Sudan.
What languages are spoken in United States and South Sudan?
United States recognizes the following official language: English. South Sudan recognizes: English. Both countries share at least one common language.
Which country has lower inflation, United States or South Sudan?
United States has lower inflation at 2.9%, compared to South Sudan's 91.4%. United States's inflation is within the 2-3% range considered stable by most central banks, while South Sudan's rate is severely elevated at 91.4%, a rate that erodes household purchasing power.
Is United States or South Sudan better for a family holiday?
For family travel, United States generally edges ahead due to lower infant mortality (5.5 vs 72.6 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. South Sudan offers its own advantages, including a more compact geography that is easier to navigate with children. Bo...
Is United States or South Sudan cheaper to visit?
United States is typically the more budget-friendly destination, with a GDP per capita of $84,534.041 translating to lower prices for accommodation, food, and local transport. Budget travelers in United States can expect to spend significantly less per day than in South Sudan. However, South Sudan m...
Is United States or South Sudan better for retirement?
United States's life expectancy of 78.4 years suggests stronger healthcare infrastructure, which is a key factor for retirees. South Sudan may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare acc...
Is United States or South Sudan better for digital nomads?
For digital nomads choosing between United States and South Sudan, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. United States spans 11 timezones while South Sudan covers 1. Cost of living varies by city in both countries. Both c...