Sierra Leone vs United States
Sierra Leone has a population of 9.1M, compared to United States's 340.1M. United States is 37.5 times more populous than Sierra Leone. Economically, United States ($28.75T) has a GDP 4124.3 times larger than Sierra Leone's ($7.0B). United States covers 9,525,067 km², 132.8 times larger than Sierra Leone's 71,740 km². Life expectancy in United States stands at 78.4 years, 16.6 years higher than Sierra Leone's 61.8 years.
Sierra LeoneUnited States| Population | -97.3%9.1M | +3646.7%340.1M |
| Area | -99.2%71,740 km² | +13177.2%9,525,067 km² |
| GDP | -100.0%$7.0B | +412329.1%$28.75T |
| GDP Per Capita | -99.0%$806.655 | +10379.6%$84,534.041 |
| Life Expectancy | -21.2%61.8 yrs | +26.9%78.4 yrs |
| Infant Mortality | +921.8%56.2 | -90.2%5.5 |
| Literacy Rate | — | — |
| Unemployment | -25.0%3.1% | +33.3%4.2% |
| Capital | Freetown | Washington, D.C. |
| Region | Africa | Americas |
| Languages | English | English |
| Currencies | SLE (Le) | USD ($) |
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 37.5 times more populous than Sierra Leone, with 340.1M residents compared to 9.1M. Sierra Leone is a nation of 9.1M people, while United States is among the world's 15 most populous countries. In terms of population density, Sierra Leone averages 127 people per km² (moderate), while United States averages 36 people per km² (sparse). United States has grown at 0.62% annually over the past decade. Population growth data is not available for Sierra Leone.
Economy Comparison
Sierra Leone is classified as a low-income economy, while United States is classified as a high-income economy. The United States economy ($28.75T) is 4124.3 times larger than Sierra Leone's ($7.0B). Sierra Leone's GDP per capita of $806.655 is 63% below the regional average of 2,200 for Africa. United States's GDP per capita of $84,534.041 is 526% above the regional average of 13,500 for Americas. On a per-capita basis, residents of United States are on average 104.8 times wealthier than those in Sierra Leone.
Health & Quality of Life
Life expectancy in Sierra Leone is 61.8 years, compared to 78.4 years in United States, a gap of 16.6 years. United States (78.4 years) is 6.4 years above the global average of 72 years, while Sierra Leone (61.8 years) is 10.2 years below the global average of 72 years. At 56.2 deaths per 1,000 live births, Sierra Leone's infant mortality is 922% higher than United States's 5.5.
Geographic Comparison
United States (9,525,067 km²) is 132.8 times larger by land area than Sierra Leone (71,740 km²). Sierra Leone shares borders with 2 countries, while United States borders 2 countries. Sierra Leone spans 1 timezone, compared to United States's 11 timezones. Sierra Leone lies in Africa, while United States is located in North America. Sierra Leone is categorized within the Africa region (Western Africa), whereas United States belongs to Americas (North America).
Key Differences
The most significant difference between Sierra Leone and United States is in GDP: Sierra Leone's $7.0B compared to United States's $28.75T represents a 100% gap. The most significant difference between Sierra Leone and United States is in land area: Sierra Leone's 71,740 km² compared to United States's 9,525,067 km² represents a 99% gap. The most significant difference between Sierra Leone and United States is in GDP per capita: Sierra Leone's $806.655 compared to United States's $84,534.041 represents a 99% gap. These disparities reflect the broader structural differences between Sierra Leone's low-income economy and United States's high-income economy.
At a Glance: What the Numbers Mean
Living Standards
United States has a GDP per capita of $84,534.041, which is 104.8x that of Sierra Leone ($806.655). This gap reflects differences in economic development, industrial structure, and workforce productivity. In practical terms, average purchasing power in United States is significantly higher, though cost of living differences partially offset the raw income gap.
Population Density
Sierra Leone is 3.5x more densely populated than United States (127 vs 36 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. United States's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of United States live an average of 16.6 years longer than those of Sierra Leone (78.4 vs 61.8 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.
Economic Momentum
Sierra Leone's economy grew at 4.3% compared to United States's 2.8%. Both countries show healthy growth, though Sierra Leone has a modest edge in economic dynamism.
Travel Comparison
Sierra Leone vs United States for Families
For family travel, United States generally edges ahead due to lower infant mortality (5.5 vs 56.2 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Sierra Leone 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.
Sierra Leone vs United States for Budget Travelers
Sierra Leone is typically the more budget-friendly destination, with a GDP per capita of $806.655 translating to lower prices for accommodation, food, and local transport. Budget travelers in Sierra Leone can expect to spend significantly less per day than in United States. However, United States may offer better value in specific categories such as intercity transport or package deals. Shoulder season travel in either country helps reduce costs further.
Sierra Leone vs United States for Retirees
United States's life expectancy of 78.4 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Sierra Leone 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.
Sierra Leone vs United States Cost of Living
United States's GDP per capita is 104.8x that of Sierra Leone, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in United States, while Sierra Leone offers more purchasing power per dollar for everyday expenses. However, cost of living varies significantly by city within each country. Major urban centers in Sierra Leone can approach or exceed average costs in United States's smaller cities.
Sierra Leone vs United States for Digital Nomads
For digital nomads choosing between Sierra Leone and United States, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Sierra Leone spans 1 timezone while United States covers 11. Sierra Leone's lower cost of living makes it attractive for stretching remote income. 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, Sierra Leone or United States by population?
United States is larger by population, with 340.1M residents compared to Sierra Leone's 9.1M. United States is 37.5 times more populous than Sierra Leone.
Which country has a higher GDP, Sierra Leone or United States?
United States has the higher GDP at $28.75T, compared to Sierra Leone's $7.0B. United States's economy is 4124.3 times larger.
How does life expectancy compare between Sierra Leone and United States?
United States has a higher life expectancy at 78.4 years, compared to Sierra Leone's 61.8 years. The gap between the two countries is 16.6 years. Sierra Leone's life expectancy is 10.2 years below the global average of 72 years, while United States's is 6.4 years above the global average of 72 years.
Which country is larger by area, Sierra Leone or United States?
United States is larger by land area, covering 9,525,067 km² compared to Sierra Leone's 71,740 km². United States is 132.8 times larger than Sierra Leone.
What languages are spoken in Sierra Leone and United States?
Sierra Leone recognizes the following official language: English. United States recognizes: English. Both countries share at least one common language.
Which country has lower inflation, Sierra Leone or United States?
United States has lower inflation at 2.9%, compared to Sierra Leone's 28.6%. United States's inflation is within the 2-3% range considered stable by most central banks, while Sierra Leone's rate is severely elevated at 28.6%, a rate that erodes household purchasing power.
Is Sierra Leone or United States better for a family holiday?
For family travel, United States generally edges ahead due to lower infant mortality (5.5 vs 56.2 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Sierra Leone offers its own advantages, including a more compact geography that is easier to navigate with children. B...
Is Sierra Leone or United States cheaper to visit?
Sierra Leone is typically the more budget-friendly destination, with a GDP per capita of $806.655 translating to lower prices for accommodation, food, and local transport. Budget travelers in Sierra Leone can expect to spend significantly less per day than in United States. However, United States ma...
Is Sierra Leone or United States better for retirement?
United States's life expectancy of 78.4 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Sierra Leone may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare ac...
Is Sierra Leone or United States more expensive to live in?
United States's GDP per capita is 104.8x that of Sierra Leone, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in United States, while Sierra Leone offers more purchasing power per dollar for everyday expenses. However, cost of liv...
Is Sierra Leone or United States better for digital nomads?
For digital nomads choosing between Sierra Leone and United States, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Sierra Leone spans 1 timezone while United States covers 11. Sierra Leone's lower cost of living makes it attractiv...