San Marino vs Japan
San Marino has a population of 34K, compared to Japan's 123.2M. Japan is 3609.8 times more populous than San Marino. Japan covers 377,930 km², 6195.6 times larger than San Marino's 61 km². Life expectancy in San Marino stands at 85.7 years, 1.7 years higher than Japan's 84.0 years.
San MarinoJapan| Population | -100.0%34K | +360880.9%123.2M |
| Area | -100.0%61 km² | +619457.4%377,930 km² |
| GDP | — | $4.03T |
| GDP Per Capita | — | $32,487.078 |
| Life Expectancy | +2.0%85.7 yrs | -1.9%84.0 yrs |
| Infant Mortality | -22.2%1.4 | +28.6%1.8 |
| Literacy Rate | — | — |
| Unemployment | — | 2.5% |
| Capital | City of San Marino | Tokyo |
| Region | Europe | Asia |
| Languages | Italian | Japanese |
| Currencies | EUR (€) | 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
Japan is 3609.8 times more populous than San Marino, with 123.2M residents compared to 34K. San Marino is a nation of 34K people, while Japan is among the world's 15 most populous countries. In terms of population density, San Marino averages 560 people per km² (dense), while Japan averages 326 people per km² (dense). San Marino has grown at 0.25% annually over the past decade. Population growth data is not available for Japan.
Economy Comparison
San Marino is classified as a low-income economy, while Japan is classified as a high-income economy. Japan's GDP stands at $4.03T. GDP data is not available for San Marino. Economic indicator data is not available for San Marino. Japan's GDP per capita of $32,487.078 is 190% above the regional average of 11,200 for Asia.
Health & Quality of Life
Life expectancy in San Marino is 85.7 years, compared to 84.0 years in Japan, a gap of 1.7 years. San Marino (85.7 years) is 13.7 years above the global average of 72 years, while Japan (84.0 years) is 12.0 years above the global average of 72 years. At 1.8 deaths per 1,000 live births, Japan's infant mortality is 29% higher than San Marino's 1.4.
Geographic Comparison
Japan (377,930 km²) is 6195.6 times larger by land area than San Marino (61 km²). San Marino shares borders with 1 country, while Japan borders 0 countries. San Marino spans 1 timezone, compared to Japan's 1 timezone. San Marino lies in Europe, while Japan is located in Asia. San Marino is categorized within the Europe region (Southern Europe), whereas Japan belongs to Asia (Eastern Asia).
Key Differences
The most significant difference between San Marino and Japan is in land area: San Marino's 61 km² compared to Japan's 377,930 km² represents a 100% gap. The most significant difference between San Marino and Japan is in population: San Marino's 34K compared to Japan's 123.2M represents a 100% gap. The most significant difference between San Marino and Japan is in infant mortality: San Marino's 1.4 per 1,000 compared to Japan's 1.8 per 1,000 represents a 22% gap. These disparities reflect the broader structural differences between San Marino's low-income economy and Japan's high-income economy.
At a Glance: What the Numbers Mean
Population Density
San Marino is 1.7x more densely populated than Japan (560 vs 326 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Japan's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of San Marino live an average of 1.7 years longer than those of Japan (85.7 vs 84.0 years). This gap reflects differences in healthcare access, nutrition, public health infrastructure, and environmental factors. This is a moderate difference that could narrow with continued development.
Frequently Asked Questions
Which is bigger, San Marino or Japan by population?
Japan is larger by population, with 123.2M residents compared to San Marino's 34K. Japan is 3609.8 times more populous than San Marino.
Which country has a higher GDP, San Marino or Japan?
GDP data is not available for San Marino. Please refer to the World Bank for the most current figures.
How does life expectancy compare between San Marino and Japan?
San Marino has a higher life expectancy at 85.7 years, compared to Japan's 84.0 years. The gap between the two countries is 1.7 years. San Marino's life expectancy is 13.7 years above 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, San Marino or Japan?
Japan is larger by land area, covering 377,930 km² compared to San Marino's 61 km². Japan is 6195.6 times larger than San Marino.
What languages are spoken in San Marino and Japan?
San Marino recognizes the following official language: Italian. Japan recognizes: Japanese. The two countries do not share an official language.
Which country has lower inflation, San Marino or Japan?
San Marino has lower inflation at 1.2%, compared to Japan's 2.7%. San Marino's inflation is within the 2-3% range considered stable by most central banks, while Japan's rate is within the 2-3% range considered stable by most central banks.