SLL
…
USD
…
Land Area
United States of America
9,833,517 km²
Largest
Sierra Leone
71,740 km²
0.7% of largest
United States of America is 137.07× larger than Sierra Leone
Population
United States of America
LARGEST
337.5M
PEOPLE
Sierra Leone
2.5% OF LARGEST
8.42M
PEOPLE
United States of America has 40.08× the population of Sierra Leone
GDP
United States of America
LARGEST
$28.2T
Sierra Leone
0.0% OF LARGEST
$7.46B
Armed Forces
Active Personnel
United States of America
LARGEST
1.35M
TROOPS
Sierra Leone
0.7% OF LARGEST
9K
TROOPS
United States of America has 149.70× the active personnel of Sierra Leone
Air Force
United States of America
LARGEST
13.3K
AIRCRAFT
Sierra Leone
0.0% OF LARGEST
3
AIRCRAFT
United States of America has 4433.33× the aircraft of Sierra Leone
Naval Assets
United States of America
Sierra Leone
Wealth
Gold Reserves
United States of America
LARGEST
8,133.5
Metric Tonnes
Sierra Leone
Foreign-Exchange Reserves
United States of America
LARGEST
$228B
Reserves · excl. gold
Sierra Leone
$0B
Reserves · excl. gold
Billionaires
United States of America
MOST
813
billionaires
Sierra Leone
—
Oil
Proven Reserves
United States of America
LARGEST
69
Billion barrels
Production & Consumption
United States of America
NET EXPORTER
Production
20.0M b/d
Consumption
19.0M b/d
+1.0M b/d net
Trade (Import/Export)
Sierra Leone
Exports
N/A
Imports
N/A
Trade Balance
N/A
United States of America
$3,193.5B
Exports
$3,193.5B
Imports
$4,103.1B
Trade Balance
$-909.6B
Trade Deficit
Drinks per Person
Coffee
kg / person / yr
United States of America
consumption
Sierra Leone
Tea
kg / person / yr
United States of America
consumption
Sierra Leone
Beer
litres / person / yr
United States of America
consumption
Sierra Leone
Wine
litres / person / yr
United States of America
consumption
Sierra Leone
Alcohol
litres pure alcohol / person / yr
United States of America
consumption
Sierra Leone
consumption
Smoking
% of adults 15+ who smoke
United States of America
Sierra Leone
Per-capita — consumption where available, else FAOSTAT supply · alcohol = litres of pure alcohol; smoking = % of adults 15+ (WHO)
Olympic Medals
United States of America
1,233
Gold
1,013
Silver
889
Bronze
3,135
Total Medals
☀ Summer: 2,772
❄ Winter: 363
Sierra Leone
No Olympic medal data
Religious Demographics
Religious Distribution
Religious Composition by Country
Sierra Leone
United States of America
Age Demographics
Median Age
United States of America
38.8
YEARS
10
30
50
70
Sierra Leone
19.1
YEARS
10
30
50
70
Age Distribution
Population breakdown by age bracket (percentage)
Demographic Insights
Age Gap
United States of America is 19.7 years older (median) than Sierra Leone
Youth Population
Sierra Leone has the highest youth population at 70.7% (under 30)
Elderly Population
United States of America has the highest elderly population at 21.6% (60+)
Global Statistics
| Metric |
Sierra Leone
|
United States of America
|
|---|---|---|
| Travel & Mobility | ||
| Passport Power visa-free destinations | — |
186
|
| Tourist Arrivals per year | — |
66.5M
|
| Culture & Prestige | ||
| Nobel Laureates all-time |
0
|
411
|
| 3-Michelin-Star Restaurants current guide |
0
|
16
|
| UNESCO Heritage Sites inscribed sites |
0
|
26
|
Figures as of 2026. Sources: IMF, EIA/OPEC, Henley Passport Index, UNWTO, Forbes, Michelin Guide, Nobel Foundation, UNESCO World Heritage Centre.
Cost of Living
|
Metric
All indices use New York City as base (100)
Lower values indicate lower costs.
|
Sierra Leone
|
United States of America
|
|---|---|---|
| Cost of Living Index |
|
|
| Rent Index |
|
|
| Groceries Index |
|
|
| Restaurant Price Index |
|
|
| Local Purchasing Power |
|
|
| Common Expenses Comparison | ||
| Meal at Inexpensive Restaurant (USD) | $2 | $20 |
| Three-Course Meal for 2 (USD) | $8 | $80 |
| Monthly Rent - City Center (USD) | $120 | $1,950 |
| Monthly Rent - Outside Center (USD) | $55 | $1,500 |
| Monthly Utilities (USD) | $30 | $175 |
| Internet (60 Mbps, USD) | $35 | $68 |
| Monthly Public Transport Pass (USD) | $1 | $85 |
Health
Healthcare spending, capacity and outcomes. Sources: World Bank / WHO — the year tag shows each figure’s vintage; “—” means the country doesn’t report that metric.
Health spending / person
USA
Sierra Leone
Physicians per 1,000
USA
Sierra Leone
Hospital beds per 1,000
USA
Sierra Leone
Diabetes prevalence
USA
Sierra Leone
Obesity prevalence
USA
Sierra Leone
Suicide rate per 100k
USA
Sierra Leone
Want the long view?
GDP, population, reserves & trade for Sierra Leone vs USA — charted over the decades.
Basic Information
| Metric | Sierra Leone | United States of America |
|---|---|---|
| Population | 8420000 | 337500000 |
| Area (sq km) | 71740 | 9833517 |
| Capital | Freetown | Washington, D.C. |
| Official Language | English | English (de facto) |
| Currency | Sierra Leonean Leone (SLL) | United States Dollar (USD) |
| Government Type | Unitary presidential constitutional republic | Federal presidential constitutional republic |
Military Strength
| Metric | Sierra Leone | United States of America |
|---|---|---|
| Active Personnel | 9,000 | 1,347,300 |
| Reserve Personnel | 0 | 799,500 |
| Total Military Personnel | 9,000 | 2,146,800 |
| Defense Budget (USD) | $42,000,000 | $816,000,000,000 |
| Tanks | 0 | 6,612 |
| Armored Vehicles | 45 | 45,193 |
| Self-Propelled Artillery | 0 | 1,498 |
| Towed Artillery | 6 | 1,339 |
| Rocket Projectors | 0 | 1,366 |
Economy
| Metric | Sierra Leone | United States of America |
|---|---|---|
| GDP (USD) | $7,464,157,904 | $28,200,000,000,000 |
| GDP Per Capita (USD) | $492 | $83,556 |
| Unemployment Rate (%) | 3.2% | 4.2% |
| GINI Index (Income Inequality) | 35.7 | 41.8 |
| Currency | Sierra Leonean Leone (SLL) | United States Dollar (USD) |
| Loading current exchange rates… | ||
Interesting Comparisons & Trivia
Did You Know?
United States of America is 137.1 times larger in area than Sierra Leone.
That's a massive difference!
United States of America has 40.1 times more people than Sierra Leone.
United States of America has the highest GDP per capita at $83,556 among the selected countries.
United States of America has the largest economy with a GDP of
$28.2 trillion.
United States of America has the largest active military personnel with 1,347,300 troops.
United States of America has the largest air force with 13,300 aircraft.
United States of America has the largest navy with 472 vessels.
USA Fact: The United States has more airports than any other country in the world, with over 13,000 airports.
Sierra Leone vs United States of America: Key Comparisons
Economy: United States of America's GDP of $28.2T is 3778.1x larger than Sierra Leone's $7B — both among the world's largest economies.
Population: United States of America's population of 338M is 40.1x larger than Sierra Leone's 8M.
Area: United States of America covers 9,833,517 km², making it 137.1x larger than Sierra Leone.
Military: United States of America fields 1.3Million active troops vs Sierra Leone's 9Thousand.
Life Expectancy: United States of America leads with a life expectancy of 79 years vs Sierra Leone's 62.
Data compiled from World Bank, IMF, Global Firepower, SIPRI, Numbeo, and Pew Research.
Last updated July 2026.
Sources & methodology