Slovenia vs Japan
Slovenia has a population of 2.1M, compared to Japan's 123.2M. Japan is 57.8 times more populous than Slovenia. Economically, Japan ($4.03T) has a GDP 55.2 times larger than Slovenia's ($73.0B). Japan covers 377,930 km², 18.6 times larger than Slovenia's 20,273 km². Life expectancy in Japan stands at 84.0 years, 2.1 years higher than Slovenia's 82.0 years.
SloveniaJapan| Population | -98.3%2.1M | +5682.8%123.2M |
| Area | -94.6%20,273 km² | +1764.2%377,930 km² |
| GDP | -98.2%$73.0B | +5419.4%$4.03T |
| GDP Per Capita | +5.6%$34,301.032 | -5.3%$32,487.078 |
| Life Expectancy | -2.5%82.0 yrs | +2.5%84.0 yrs |
| Infant Mortality | 0.0%1.8 | 0.0%1.8 |
| Literacy Rate | — | — |
| Unemployment | +29.5%3.2% | -22.8%2.5% |
| Capital | Ljubljana | Tokyo |
| Region | Europe | Asia |
| Languages | Slovene | 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 57.8 times more populous than Slovenia, with 123.2M residents compared to 2.1M. Slovenia is a nation of 2.1M people, while Japan is among the world's 15 most populous countries. In terms of population density, Slovenia averages 105 people per km² (moderate), while Japan averages 326 people per km² (dense). Slovenia has grown at 0.29% annually over the past decade. Population growth data is not available for Japan.
Economy Comparison
Slovenia is classified as a high-income economy, while Japan is classified as a high-income economy. The Japan economy ($4.03T) is 55.2 times larger than Slovenia's ($73.0B). Slovenia's GDP per capita of $34,301.032 is 23% above the regional average of 28,000 for Europe. 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 Slovenia are on average 1.1 times wealthier than those in Japan.
Health & Quality of Life
Life expectancy in Slovenia is 82.0 years, compared to 84.0 years in Japan, a gap of 2.1 years. Japan (84.0 years) is 12.0 years above the global average of 72 years, while Slovenia (82.0 years) is 10.0 years above the global average of 72 years. At 1.8 deaths per 1,000 live births, Slovenia's infant mortality is 0% higher than Japan's 1.8.
Geographic Comparison
Japan (377,930 km²) is 18.6 times larger by land area than Slovenia (20,273 km²). Slovenia shares borders with 4 countries, while Japan borders 0 countries. Slovenia spans 1 timezone, compared to Japan's 1 timezone. Slovenia lies in Europe, while Japan is located in Asia. Slovenia is categorized within the Europe region (Central Europe), whereas Japan belongs to Asia (Eastern Asia).
Key Differences
The most significant difference between Slovenia and Japan is in population: Slovenia's 2.1M compared to Japan's 123.2M represents a 98% gap. The most significant difference between Slovenia and Japan is in GDP: Slovenia's $73.0B compared to Japan's $4.03T represents a 98% gap. The most significant difference between Slovenia and Japan is in land area: Slovenia's 20,273 km² compared to Japan's 377,930 km² represents a 95% gap. These disparities reflect the broader structural differences between Slovenia's high-income economy and Japan's high-income economy.
At a Glance: What the Numbers Mean
Living Standards
Slovenia has a GDP per capita of $34,301.032, which is 1.1x that of Japan ($32,487.078). This gap reflects differences in economic development, industrial structure, and workforce productivity. In practical terms, average purchasing power in Slovenia is significantly higher, though cost of living differences partially offset the raw income gap.
Population Density
Japan is 3.1x more densely populated than Slovenia (326 vs 105 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Slovenia's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of Japan live an average of 2.1 years longer than those of Slovenia (84.0 vs 82.0 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.
Economic Momentum
Slovenia's economy grew at 1.7% compared to Japan's 0.1%. Both economies are growing slowly, which may reflect maturity or structural challenges.
Frequently Asked Questions
Which is bigger, Slovenia or Japan by population?
Japan is larger by population, with 123.2M residents compared to Slovenia's 2.1M. Japan is 57.8 times more populous than Slovenia.
Which country has a higher GDP, Slovenia or Japan?
Japan has the higher GDP at $4.03T, compared to Slovenia's $73.0B. Japan's economy is 55.2 times larger.
How does life expectancy compare between Slovenia and Japan?
Japan has a higher life expectancy at 84.0 years, compared to Slovenia's 82.0 years. The gap between the two countries is 2.1 years. Slovenia's life expectancy is 10.0 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, Slovenia or Japan?
Japan is larger by land area, covering 377,930 km² compared to Slovenia's 20,273 km². Japan is 18.6 times larger than Slovenia.
What languages are spoken in Slovenia and Japan?
Slovenia recognizes the following official language: Slovene. Japan recognizes: Japanese. The two countries do not share an official language.
Which country has lower inflation, Slovenia or Japan?
Slovenia has lower inflation at 2.0%, compared to Japan's 2.7%. Slovenia'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.