Nigeria vs United States
Nigeria has a population of 223.8M, compared to United States's 340.1M. United States is 1.5 times more populous than Nigeria. Economically, United States ($28.75T) has a GDP 114.0 times larger than Nigeria's ($252.3B). United States covers 9,525,067 km², 10.3 times larger than Nigeria's 923,768 km². Life expectancy in United States stands at 78.4 years, 23.9 years higher than Nigeria's 54.5 years.
NigeriaUnited States| Population | -34.2%223.8M | +52.0%340.1M |
| Area | -90.3%923,768 km² | +931.1%9,525,067 km² |
| GDP | -99.1%$252.3B | +11297.3%$28.75T |
| GDP Per Capita | -98.7%$1,084.16 | +7697.2%$84,534.041 |
| Life Expectancy | -30.5%54.5 yrs | +43.9%78.4 yrs |
| Infant Mortality | +992.7%60.1 | -90.8%5.5 |
| Literacy Rate | — | — |
| Unemployment | -27.0%3.1% | +37.0%4.2% |
| Capital | Abuja | Washington, D.C. |
| Region | Africa | Americas |
| Languages | English | English |
| Currencies | NGN (₦) | USD ($) |
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 1.5 times more populous than Nigeria, with 340.1M residents compared to 223.8M. Nigeria is among the world's 15 most populous countries, while United States is among the world's 15 most populous countries. In terms of population density, Nigeria averages 242 people per km² (dense), while United States averages 36 people per km² (sparse). While Nigeria has grown at 2.33% annually over the past decade, United States has grown at 0.62% per year over the same period.
Economy Comparison
Nigeria is classified as a low-income economy, while United States is classified as a high-income economy. The United States economy ($28.75T) is 114.0 times larger than Nigeria's ($252.3B). Nigeria's GDP per capita of $1,084.16 is 51% 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 78.0 times wealthier than those in Nigeria.
Health & Quality of Life
Life expectancy in Nigeria is 54.5 years, compared to 78.4 years in United States, a gap of 23.9 years. United States (78.4 years) is 6.4 years above the global average of 72 years, while Nigeria (54.5 years) is 17.5 years below the global average of 72 years. At 60.1 deaths per 1,000 live births, Nigeria's infant mortality is 993% higher than United States's 5.5.
Geographic Comparison
United States (9,525,067 km²) is 10.3 times larger by land area than Nigeria (923,768 km²). Nigeria shares borders with 4 countries, while United States borders 2 countries. Nigeria spans 1 timezone, compared to United States's 11 timezones. Nigeria lies in Africa, while United States is located in North America. Nigeria is categorized within the Africa region (Western Africa), whereas United States belongs to Americas (North America).
Key Differences
The most significant difference between Nigeria and United States is in GDP: Nigeria's $252.3B compared to United States's $28.75T represents a 99% gap. The most significant difference between Nigeria and United States is in GDP per capita: Nigeria's $1,084.16 compared to United States's $84,534.041 represents a 99% gap. The most significant difference between Nigeria and United States is in infant mortality: Nigeria's 60.1 per 1,000 compared to United States's 5.5 per 1,000 represents a 91% gap. These disparities reflect the broader structural differences between Nigeria'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 78.0x that of Nigeria ($1,084.16). 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
Nigeria is 6.8x more densely populated than United States (242 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 23.9 years longer than those of Nigeria (78.4 vs 54.5 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
Nigeria's economy grew at 4.1% compared to United States's 2.8%. Both countries show healthy growth, though Nigeria has a modest edge in economic dynamism.
Frequently Asked Questions
Which is bigger, Nigeria or United States by population?
United States is larger by population, with 340.1M residents compared to Nigeria's 223.8M. United States is 1.5 times more populous than Nigeria.
Which country has a higher GDP, Nigeria or United States?
United States has the higher GDP at $28.75T, compared to Nigeria's $252.3B. United States's economy is 114.0 times larger.
How does life expectancy compare between Nigeria and United States?
United States has a higher life expectancy at 78.4 years, compared to Nigeria's 54.5 years. The gap between the two countries is 23.9 years. Nigeria's life expectancy is 17.5 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, Nigeria or United States?
United States is larger by land area, covering 9,525,067 km² compared to Nigeria's 923,768 km². United States is 10.3 times larger than Nigeria.
What languages are spoken in Nigeria and United States?
Nigeria recognizes the following official language: English. United States recognizes: English. Both countries share at least one common language.
Which country has lower inflation, Nigeria or United States?
United States has lower inflation at 2.9%, compared to Nigeria's 33.2%. United States's inflation is within the 2-3% range considered stable by most central banks, while Nigeria's rate is severely elevated at 33.2%, a rate that erodes household purchasing power.