Republic of the Congo vs Nigeria
Republic of the Congo has a population of 6.1M, compared to Nigeria's 223.8M. Nigeria is 36.4 times more populous than Republic of the Congo. Economically, Nigeria ($252.3B) has a GDP 16.0 times larger than Republic of the Congo's ($15.7B). Nigeria covers 923,768 km², 2.7 times larger than Republic of the Congo's 342,000 km². Life expectancy in Republic of the Congo stands at 65.8 years, 11.3 years higher than Nigeria's 54.5 years.
Republic of the CongoNigeria| Population | -97.3%6.1M | +3543.7%223.8M |
| Area | -63.0%342,000 km² | +170.1%923,768 km² |
| GDP | -93.8%$15.7B | +1504.7%$252.3B |
| GDP Per Capita | +129.0%$2,482.249 | -56.3%$1,084.16 |
| Life Expectancy | +20.8%65.8 yrs | -17.2%54.5 yrs |
| Infant Mortality | -54.1%27.6 | +117.8%60.1 |
| Literacy Rate | — | — |
| Unemployment | +548.7%19.9% | -84.6%3.1% |
| Capital | Brazzaville | Abuja |
| Region | Africa | Africa |
| Languages | French, Kikongo, Lingala | English |
| Currencies | XAF (Fr) | NGN (₦) |
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 36.4 times more populous than Republic of the Congo, with 223.8M residents compared to 6.1M. Republic of the Congo is a nation of 6.1M people, while Nigeria is among the world's 15 most populous countries. In terms of population density, Republic of the Congo averages 18 people per km² (sparse), while Nigeria averages 242 people per km² (dense). Nigeria has grown at 2.33% annually over the past decade. Population growth data is not available for Republic of the Congo.
Economy Comparison
Republic of the Congo is classified as a lower-middle-income economy, while Nigeria is classified as a low-income economy. The Nigeria economy ($252.3B) is 16.0 times larger than Republic of the Congo's ($15.7B). Republic of the Congo's GDP per capita of $2,482.249 is 13% above the regional average of 2,200 for Africa. Nigeria's GDP per capita of $1,084.16 is 51% below the regional average of 2,200 for Africa. On a per-capita basis, residents of Republic of the Congo are on average 2.3 times wealthier than those in Nigeria.
Health & Quality of Life
Life expectancy in Republic of the Congo is 65.8 years, compared to 54.5 years in Nigeria, a gap of 11.3 years. Republic of the Congo (65.8 years) is 6.2 years below 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 118% higher than Republic of the Congo's 27.6.
Geographic Comparison
Nigeria (923,768 km²) is 2.7 times larger by land area than Republic of the Congo (342,000 km²). Republic of the Congo shares borders with 5 countries, while Nigeria borders 4 countries. Republic of the Congo spans 1 timezone, compared to Nigeria's 1 timezone. Both Republic of the Congo and Nigeria are located in Africa. Both countries fall within the Africa region, though they occupy different subregions: Middle Africa and Western Africa.
Key Differences
The most significant difference between Republic of the Congo and Nigeria is in population: Republic of the Congo's 6.1M compared to Nigeria's 223.8M represents a 97% gap. The most significant difference between Republic of the Congo and Nigeria is in GDP: Republic of the Congo's $15.7B compared to Nigeria's $252.3B represents a 94% gap. The most significant difference between Republic of the Congo and Nigeria is in land area: Republic of the Congo's 342,000 km² compared to Nigeria's 923,768 km² represents a 63% gap. These disparities reflect the broader structural differences between Republic of the Congo's lower-middle-income economy and Nigeria's low-income economy.
At a Glance: What the Numbers Mean
Living Standards
Republic of the Congo has a GDP per capita of $2,482.249, which is 2.3x 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 Republic of the Congo is significantly higher, though cost of living differences partially offset the raw income gap.
Population Density
Nigeria is 13.5x more densely populated than Republic of the Congo (242 vs 18 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Republic of the Congo's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of Republic of the Congo live an average of 11.3 years longer than those of Nigeria (65.8 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 Republic of the Congo's 2.6%. Both countries show healthy growth, though Nigeria has a modest edge in economic dynamism.
Travel Comparison
Republic of the Congo vs Nigeria for Families
For family travel, Republic of the Congo generally edges ahead due to lower infant mortality (27.6 vs 60.1 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Nigeria offers its own advantages, including more geographic diversity for road trips. Both countries have family-friendly attractions, though Republic of the Congo's higher GDP per capita typically correlates with better tourist infrastructure, public transport, and English-language availability.
Republic of the Congo vs Nigeria for Budget Travelers
Nigeria is typically the more budget-friendly destination, with a GDP per capita of $1,084.16 translating to lower prices for accommodation, food, and local transport. Budget travelers in Nigeria can expect to spend significantly less per day than in Republic of the Congo. However, Republic of the Congo may offer better value in specific categories such as intercity transport or package deals. Shoulder season travel in either country helps reduce costs further.
Republic of the Congo vs Nigeria for Retirees
Republic of the Congo's life expectancy of 65.8 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Nigeria 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.
Republic of the Congo vs Nigeria Cost of Living
Republic of the Congo's GDP per capita is 2.3x that of Nigeria, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in Republic of the Congo, while Nigeria offers more purchasing power per dollar for everyday expenses. However, cost of living varies significantly by city within each country. Major urban centers in Nigeria can approach or exceed average costs in Republic of the Congo's smaller cities.
Republic of the Congo vs Nigeria for Digital Nomads
For digital nomads choosing between Republic of the Congo and Nigeria, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Republic of the Congo spans 1 timezone while Nigeria covers 1. Nigeria'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, Republic of the Congo or Nigeria by population?
Nigeria is larger by population, with 223.8M residents compared to Republic of the Congo's 6.1M. Nigeria is 36.4 times more populous than Republic of the Congo.
Which country has a higher GDP, Republic of the Congo or Nigeria?
Nigeria has the higher GDP at $252.3B, compared to Republic of the Congo's $15.7B. Nigeria's economy is 16.0 times larger.
How does life expectancy compare between Republic of the Congo and Nigeria?
Republic of the Congo has a higher life expectancy at 65.8 years, compared to Nigeria's 54.5 years. The gap between the two countries is 11.3 years. Republic of the Congo's life expectancy is 6.2 years below the global average of 72 years, while Nigeria's is 17.5 years below the global average of 72 years.
Which country is larger by area, Republic of the Congo or Nigeria?
Nigeria is larger by land area, covering 923,768 km² compared to Republic of the Congo's 342,000 km². Nigeria is 2.7 times larger than Republic of the Congo.
What languages are spoken in Republic of the Congo and Nigeria?
Republic of the Congo recognizes the following languages: French, Kikongo, Lingala. Nigeria recognizes: English. The two countries do not share an official language.
Which country has lower inflation, Republic of the Congo or Nigeria?
Republic of the Congo has lower inflation at 3.1%, compared to Nigeria's 33.2%. Republic of the Congo's inflation is moderately elevated above the global median of 3.5%, while Nigeria's rate is severely elevated at 33.2%, a rate that erodes household purchasing power.
Is Republic of the Congo or Nigeria better for a family holiday?
For family travel, Republic of the Congo generally edges ahead due to lower infant mortality (27.6 vs 60.1 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Nigeria offers its own advantages, including more geographic diversity for road trips. Both countries have fa...
Is Republic of the Congo or Nigeria cheaper to visit?
Nigeria is typically the more budget-friendly destination, with a GDP per capita of $1,084.16 translating to lower prices for accommodation, food, and local transport. Budget travelers in Nigeria can expect to spend significantly less per day than in Republic of the Congo. However, Republic of the C...
Is Republic of the Congo or Nigeria better for retirement?
Republic of the Congo's life expectancy of 65.8 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Nigeria may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare...
Is Republic of the Congo or Nigeria more expensive to live in?
Republic of the Congo's GDP per capita is 2.3x that of Nigeria, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in Republic of the Congo, while Nigeria offers more purchasing power per dollar for everyday expenses. However, cost of...
Is Republic of the Congo or Nigeria better for digital nomads?
For digital nomads choosing between Republic of the Congo and Nigeria, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Republic of the Congo spans 1 timezone while Nigeria covers 1. Nigeria's lower cost of living makes it attractiv...