Nigeria vs Japan
Nigeria has a population of 223.8M, compared to Japan's 123.2M. Nigeria is 1.8 times more populous than Japan. Economically, Japan ($4.03T) has a GDP 16.0 times larger than Nigeria's ($252.3B). Nigeria covers 923,768 km², 2.4 times larger than Japan's 377,930 km². Life expectancy in Japan stands at 84.0 years, 29.6 years higher than Nigeria's 54.5 years.
NigeriaJapan| Population | +81.6%223.8M | -44.9%123.2M |
| Area | +144.4%923,768 km² | -59.1%377,930 km² |
| GDP | -93.7%$252.3B | +1496.6%$4.03T |
| GDP Per Capita | -96.7%$1,084.16 | +2896.5%$32,487.078 |
| Life Expectancy | -35.2%54.5 yrs | +54.3%84.0 yrs |
| Infant Mortality | +3238.9%60.1 | -97.0%1.8 |
| Literacy Rate | — | — |
| Unemployment | +25.0%3.1% | -20.0%2.5% |
| Capital | Abuja | Tokyo |
| Region | Africa | Asia |
| Languages | English | Japanese |
| Currencies | NGN (₦) | JPY (¥) |
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
Nigeria is 1.8 times more populous than Japan, with 223.8M residents compared to 123.2M. Nigeria is among the world's 15 most populous countries, while Japan is among the world's 15 most populous countries. In terms of population density, Nigeria averages 242 people per km² (dense), while Japan averages 326 people per km² (dense). Nigeria has grown at 2.33% annually over the past decade. Population growth data is not available for Japan.
Economy Comparison
Nigeria is classified as a low-income economy, while Japan is classified as a high-income economy. The Japan economy ($4.03T) is 16.0 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. Japan's GDP per capita of $32,487.078 is 190% above the regional average of 11,200 for Asia. On a per-capita basis, residents of Japan are on average 30.0 times wealthier than those in Nigeria.
Health & Quality of Life
Life expectancy in Nigeria is 54.5 years, compared to 84.0 years in Japan, a gap of 29.6 years. Japan (84.0 years) is 12.0 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 3239% higher than Japan's 1.8.
Geographic Comparison
Nigeria (923,768 km²) is 2.4 times larger by land area than Japan (377,930 km²). Nigeria shares borders with 4 countries, while Japan borders 0 countries. Nigeria spans 1 timezone, compared to Japan's 1 timezone. Nigeria lies in Africa, while Japan is located in Asia. Nigeria is categorized within the Africa region (Western Africa), whereas Japan belongs to Asia (Eastern Asia).
Key Differences
The most significant difference between Nigeria and Japan is in infant mortality: Nigeria's 60.1 per 1,000 compared to Japan's 1.8 per 1,000 represents a 97% gap. The most significant difference between Nigeria and Japan is in GDP per capita: Nigeria's $1,084.16 compared to Japan's $32,487.078 represents a 97% gap. The most significant difference between Nigeria and Japan is in GDP: Nigeria's $252.3B compared to Japan's $4.03T represents a 94% gap. These disparities reflect the broader structural differences between Nigeria's low-income economy and Japan's high-income economy.
At a Glance: What the Numbers Mean
Living Standards
Japan has a GDP per capita of $32,487.078, which is 30.0x 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 Japan is significantly higher, though cost of living differences partially offset the raw income gap.
Population Density
Japan is 1.3x more densely populated than Nigeria (326 vs 242 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Nigeria's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of Japan live an average of 29.6 years longer than those of Nigeria (84.0 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 Japan's 0.1%. Both countries show healthy growth, though Nigeria has a modest edge in economic dynamism.
Frequently Asked Questions
Which is bigger, Nigeria or Japan by population?
Nigeria is larger by population, with 223.8M residents compared to Japan's 123.2M. Nigeria is 1.8 times more populous than Japan.
Which country has a higher GDP, Nigeria or Japan?
Japan has the higher GDP at $4.03T, compared to Nigeria's $252.3B. Japan's economy is 16.0 times larger.
How does life expectancy compare between Nigeria and Japan?
Japan has a higher life expectancy at 84.0 years, compared to Nigeria's 54.5 years. The gap between the two countries is 29.6 years. Nigeria's life expectancy is 17.5 years below the global average of 72 years, while Japan's is 12.0 years above the global average of 72 years.
Which country is larger by area, Nigeria or Japan?
Nigeria is larger by land area, covering 923,768 km² compared to Japan's 377,930 km². Nigeria is 2.4 times larger than Japan.
What languages are spoken in Nigeria and Japan?
Nigeria recognizes the following official language: English. Japan recognizes: Japanese. The two countries do not share an official language.
Which country has lower inflation, Nigeria or Japan?
Japan has lower inflation at 2.7%, compared to Nigeria's 33.2%. Japan'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.