Kiribati vs United States
Kiribati has a population of 121K, compared to United States's 340.1M. United States is 2816.9 times more populous than Kiribati. Economically, United States ($28.75T) has a GDP 93388.9 times larger than Kiribati's ($308M). United States covers 9,525,067 km², 11744.8 times larger than Kiribati's 811 km². Life expectancy in United States stands at 78.4 years, 11.9 years higher than Kiribati's 66.5 years.
KiribatiUnited States| Population | -100.0%121K | +281588.7%340.1M |
| Area | -100.0%811 km² | +1174384.2%9,525,067 km² |
| GDP | -100.0%$308M | +9338793.2%$28.75T |
| GDP Per Capita | -97.3%$2,288.635 | +3593.6%$84,534.041 |
| Life Expectancy | -15.2%66.5 yrs | +17.9%78.4 yrs |
| Infant Mortality | +621.8%39.7 | -86.1%5.5 |
| Literacy Rate | — | — |
| Unemployment | — | 4.2% |
| Capital | South Tarawa | Washington, D.C. |
| Region | Oceania | Americas |
| Languages | English, Gilbertese | English |
| Currencies | AUD ($), KID ($) | USD ($) |
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 2816.9 times more populous than Kiribati, with 340.1M residents compared to 121K. Kiribati is a nation of 121K people, while United States is among the world's 15 most populous countries. In terms of population density, Kiribati averages 149 people per km² (moderate), while United States averages 36 people per km² (sparse). While Kiribati has grown at 1.53% annually over the past decade, United States has grown at 0.62% per year over the same period.
Economy Comparison
Kiribati is classified as a lower-middle-income economy, while United States is classified as a high-income economy. The United States economy ($28.75T) is 93388.9 times larger than Kiribati's ($308M). Kiribati's GDP per capita of $2,288.635 is 93% below the regional average of 31,500 for Oceania. 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 36.9 times wealthier than those in Kiribati.
Health & Quality of Life
Life expectancy in Kiribati is 66.5 years, compared to 78.4 years in United States, a gap of 11.9 years. United States (78.4 years) is 6.4 years above the global average of 72 years, while Kiribati (66.5 years) is 5.5 years below the global average of 72 years. At 39.7 deaths per 1,000 live births, Kiribati's infant mortality is 622% higher than United States's 5.5.
Geographic Comparison
United States (9,525,067 km²) is 11744.8 times larger by land area than Kiribati (811 km²). Kiribati shares borders with 0 countries, while United States borders 2 countries. Kiribati spans 3 timezones, compared to United States's 11 timezones. Kiribati lies in Oceania, while United States is located in North America. Kiribati is categorized within the Oceania region (Micronesia), whereas United States belongs to Americas (North America).
Key Differences
The most significant difference between Kiribati and United States is in GDP: Kiribati's $308M compared to United States's $28.75T represents a 100% gap. The most significant difference between Kiribati and United States is in land area: Kiribati's 811 km² compared to United States's 9,525,067 km² represents a 100% gap. The most significant difference between Kiribati and United States is in population: Kiribati's 121K compared to United States's 340.1M represents a 100% gap. These disparities reflect the broader structural differences between Kiribati's lower-middle-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 36.9x that of Kiribati ($2,288.635). 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
Kiribati is 4.2x more densely populated than United States (149 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 11.9 years longer than those of Kiribati (78.4 vs 66.5 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
Kiribati's economy grew at 5.3% compared to United States's 2.8%. Kiribati's high growth rate suggests a rapidly developing economy with expanding opportunities.
Frequently Asked Questions
Which is bigger, Kiribati or United States by population?
United States is larger by population, with 340.1M residents compared to Kiribati's 121K. United States is 2816.9 times more populous than Kiribati.
Which country has a higher GDP, Kiribati or United States?
United States has the higher GDP at $28.75T, compared to Kiribati's $308M. United States's economy is 93388.9 times larger.
How does life expectancy compare between Kiribati and United States?
United States has a higher life expectancy at 78.4 years, compared to Kiribati's 66.5 years. The gap between the two countries is 11.9 years. Kiribati's life expectancy is 5.5 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, Kiribati or United States?
United States is larger by land area, covering 9,525,067 km² compared to Kiribati's 811 km². United States is 11744.8 times larger than Kiribati.
What languages are spoken in Kiribati and United States?
Kiribati recognizes the following languages: English, Gilbertese. United States recognizes: English. Both countries share at least one common language.
Which country has lower inflation, Kiribati or United States?
Kiribati has lower inflation at 2.5%, compared to United States's 2.9%. Kiribati's inflation is within the 2-3% range considered stable by most central banks, while United States's rate is within the 2-3% range considered stable by most central banks.