Tonga vs United States
Tonga has a population of 100K, compared to United States's 340.1M. United States is 3395.0 times more populous than Tonga. United States covers 9,525,067 km², 12751.1 times larger than Tonga's 747 km². Life expectancy in United States stands at 78.4 years, 5.5 years higher than Tonga's 72.9 years.
TongaUnited States| Population | -100.0%100K | +339403.3%340.1M |
| Area | -100.0%747 km² | +1275009.4%9,525,067 km² |
| GDP | — | $28.75T |
| GDP Per Capita | — | $84,534.041 |
| Life Expectancy | -7.0%72.9 yrs | +7.5%78.4 yrs |
| Infant Mortality | +45.5%8.0 | -31.3%5.5 |
| Literacy Rate | — | — |
| Unemployment | -52.2%2.0% | +109.1%4.2% |
| Capital | Nuku'alofa | Washington, D.C. |
| Region | Oceania | Americas |
| Languages | English, Tongan | English |
| Currencies | TOP (T$) | 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 3395.0 times more populous than Tonga, with 340.1M residents compared to 100K. Tonga is a nation of 100K people, while United States is among the world's 15 most populous countries. In terms of population density, Tonga averages 134 people per km² (moderate), while United States averages 36 people per km² (sparse). United States has grown at 0.62% annually over the past decade. Population growth data is not available for Tonga.
Economy Comparison
Tonga is classified as a low-income economy, while United States is classified as a high-income economy. United States's GDP stands at $28.75T. GDP data is not available for Tonga. Economic indicator data is not available for Tonga. United States's GDP per capita of $84,534.041 is 526% above the regional average of 13,500 for Americas.
Health & Quality of Life
Life expectancy in Tonga is 72.9 years, compared to 78.4 years in United States, a gap of 5.5 years. United States (78.4 years) is 6.4 years above the global average of 72 years, while Tonga (72.9 years) is 0.9 years above the global average of 72 years. At 8.0 deaths per 1,000 live births, Tonga's infant mortality is 45% higher than United States's 5.5.
Geographic Comparison
United States (9,525,067 km²) is 12751.1 times larger by land area than Tonga (747 km²). Tonga shares borders with 0 countries, while United States borders 2 countries. Tonga spans 1 timezone, compared to United States's 11 timezones. Tonga lies in Oceania, while United States is located in North America. Tonga is categorized within the Oceania region (Polynesia), whereas United States belongs to Americas (North America).
Key Differences
The most significant difference between Tonga and United States is in land area: Tonga's 747 km² compared to United States's 9,525,067 km² represents a 100% gap. The most significant difference between Tonga and United States is in population: Tonga's 100K compared to United States's 340.1M represents a 100% gap. The most significant difference between Tonga and United States is in infant mortality: Tonga's 8.0 per 1,000 compared to United States's 5.5 per 1,000 represents a 31% gap. These disparities reflect the broader structural differences between Tonga's low-income economy and United States's high-income economy.
At a Glance: What the Numbers Mean
Population Density
Tonga is 3.8x more densely populated than United States (134 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 5.5 years longer than those of Tonga (78.4 vs 72.9 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.
Frequently Asked Questions
Which is bigger, Tonga or United States by population?
United States is larger by population, with 340.1M residents compared to Tonga's 100K. United States is 3395.0 times more populous than Tonga.
Which country has a higher GDP, Tonga or United States?
GDP data is not available for Tonga. Please refer to the World Bank for the most current figures.
How does life expectancy compare between Tonga and United States?
United States has a higher life expectancy at 78.4 years, compared to Tonga's 72.9 years. The gap between the two countries is 5.5 years. Tonga's life expectancy is 0.9 years above 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, Tonga or United States?
United States is larger by land area, covering 9,525,067 km² compared to Tonga's 747 km². United States is 12751.1 times larger than Tonga.
What languages are spoken in Tonga and United States?
Tonga recognizes the following languages: English, Tongan. United States recognizes: English. Both countries share at least one common language.
Which country has lower inflation, Tonga or United States?
United States has lower inflation at 2.9%, compared to Tonga's 3.2%. United States's inflation is within the 2-3% range considered stable by most central banks, while Tonga's rate is moderately elevated above the global median of 3.5%.